Homework Answers
Add Answer to:
(1) To test Ho: p=0.3; H :p > 0.3, a simple random sample of size n=200...
To test Ho: u= 20 versus Hy: u<20, a simple random sample of size n= 19...
To test Ho: u= 20 versus Hy: u<20, a simple random sample of size n= 19 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x = 18.1 and s= 3.9, compute the test statistic. (Round to two decimal places as needed.) t = (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs shows...
To test Ho: u = 20 versus Hy: u<20, a simple random sample of size n= 16 is obtained from a population that is known...
To test Ho: u = 20 versus Hy: u<20, a simple random sample of size n= 16 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x = 18.1 and s = 4.1, compute the test statistic. t (Round to two decimal places as needed.) (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs...
3. (25 points) To test Ho: σ 0.35 versus H1: σ < 0.35, a random sample...
3. (25 points) To test Ho: σ 0.35 versus H1: σ < 0.35, a random sample of size n = 41 is obtained from a population that is known to be normally distributed a. If the sample standard deviation is determined to be s 0.23, compute the test statistic. (5 pts) b. If the researcher decides to test this hypothesis at the a 0.01 level of significance , determine the critical value. (5 pts) c. Draw a chi-square distribution and...
Thanks in advance! Suppose a simple random sample of size n 75 is obtained from a...
Thanks in advance!
Suppose a simple random sample of size n 75 is obtained from a population whose size is N-20,000 and whose population proportion with a specified characteristic is p 0.6. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. ○ A. Not normal because n 0.05N and np(1-p) OB. Approximately normal because n s0.05N and np(1-p)<10 yC. Approximately normal because n...
To test Ho: = 50 versus H=50, a simple random sample of size n = 40...
To test Ho: = 50 versus H=50, a simple random sample of size n = 40 is obtained. Complete parts (a) through below Click the icon to view the table of critical t-values (a) Does the population have to be normally distributed to test this hypothesis by using t-distribution methods? Why? O A. No-there are no constraints in order to perform a hypothesis test. O B. No-since the sample size is at least 30, the underlying population does not need...
Suppose a simple random sample of size n= 200 is obtained from a population whose size...
Suppose a simple random sample of size n= 200 is obtained from a population whose size is N = 15,000 and whose population proportion with a specified characteristic is p = 0.2. Complete parts (a) through (c) below. (a) Describe the sampling distribution of o. Choose the phrase that best describes the shape of the sampling distribution below. O A. Not normal because ns 0.05N and np(1-p) 2 10. B. Approximately normal because ns0.05N and np(1 - p) < 10....
This Test: 10 pois po Suppose a simple random sample of size n=200 is obtained from...
This Test: 10 pois po Suppose a simple random sample of size n=200 is obtained from a population whoses. N20,000 and whose population proportion with a specified characteristici po.. Complete parts through ich belon Question Help (a) Describe the sampling distribution of Choose the phrase that best describes the shape of the sampling distribution below O A Not normal because ns0.05N and not - 210 OB. Not normal because ns0.06N and np(1 - p<10 OC. Approximately normal because nS 0.05N...
To test Ho: u = 105 versus Hy: # 105 a simple random sample of size...
To test Ho: u = 105 versus Hy: # 105 a simple random sample of size n= 35 is obtained. Complete parts a through e below. Click here to view the t-Distribution Area in Right Tail. (a) Does the population have to be normally distributed to test this hypothesis? Why? O A. No, because the test two-tailed OB. Yes, because n 2 30. OC. No, because n 2 30. OD. Yes, because the sample random (b) If x= 101.9 and...
Test the hypothesis using the P-value approach. Be sure to verily the requirements of the test Ho p-0.3 versus H P>0.3 n-200, x=80; α:01 Calculate the test statistic, zo #0 (Round to two dec...
Test the hypothesis using the P-value approach. Be sure to verily the requirements of the test Ho p-0.3 versus H P>0.3 n-200, x=80; α:01 Calculate the test statistic, zo #0 (Round to two decimal places as needed) Identify the P-value P-value (Round to three decimal places as needed) Choose the correct result of the hypothesis test for the Pvalue approach belovw ty O A. Reject the nul hypothesis, because the P-value is greater than α O B. Do not reject...
Please help... thanks in advance! Suppose a simple random sample 0 size n-75 is obtained rom...
Please help... thanks in advance!
Suppose a simple random sample 0 size n-75 is obtained rom a population whose size s 一20,0 0 and whose population propo tion with a specified characten cs p Oo om iete parts hrough be。 (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. o A. Not normal because ns 005N and np(1-p) 2 10. B. Approximately normal because n 0.05N and np(1-p) <...
To test Ho: u= 20 versus Hy: u<20, a simple random sample of size n= 19 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x = 18.1 and s= 3.9, compute the test statistic. (Round to two decimal places as needed.) t = (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs shows...
To test Ho: u = 20 versus Hy: u<20, a simple random sample of size n= 16 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x = 18.1 and s = 4.1, compute the test statistic. t (Round to two decimal places as needed.) (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs...
3. (25 points) To test Ho: σ 0.35 versus H1: σ < 0.35, a random sample of size n = 41 is obtained from a population that is known to be normally distributed a. If the sample standard deviation is determined to be s 0.23, compute the test statistic. (5 pts) b. If the researcher decides to test this hypothesis at the a 0.01 level of significance , determine the critical value. (5 pts) c. Draw a chi-square distribution and...
Thanks in advance!
Suppose a simple random sample of size n 75 is obtained from a population whose size is N-20,000 and whose population proportion with a specified characteristic is p 0.6. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. ○ A. Not normal because n 0.05N and np(1-p) OB. Approximately normal because n s0.05N and np(1-p)<10 yC. Approximately normal because n...
To test Ho: = 50 versus H=50, a simple random sample of size n = 40 is obtained. Complete parts (a) through below Click the icon to view the table of critical t-values (a) Does the population have to be normally distributed to test this hypothesis by using t-distribution methods? Why? O A. No-there are no constraints in order to perform a hypothesis test. O B. No-since the sample size is at least 30, the underlying population does not need...
Suppose a simple random sample of size n= 200 is obtained from a population whose size is N = 15,000 and whose population proportion with a specified characteristic is p = 0.2. Complete parts (a) through (c) below. (a) Describe the sampling distribution of o. Choose the phrase that best describes the shape of the sampling distribution below. O A. Not normal because ns 0.05N and np(1-p) 2 10. B. Approximately normal because ns0.05N and np(1 - p) < 10....
This Test: 10 pois po Suppose a simple random sample of size n=200 is obtained from a population whoses. N20,000 and whose population proportion with a specified characteristici po.. Complete parts through ich belon Question Help (a) Describe the sampling distribution of Choose the phrase that best describes the shape of the sampling distribution below O A Not normal because ns0.05N and not - 210 OB. Not normal because ns0.06N and np(1 - p<10 OC. Approximately normal because nS 0.05N...
To test Ho: u = 105 versus Hy: # 105 a simple random sample of size n= 35 is obtained. Complete parts a through e below. Click here to view the t-Distribution Area in Right Tail. (a) Does the population have to be normally distributed to test this hypothesis? Why? O A. No, because the test two-tailed OB. Yes, because n 2 30. OC. No, because n 2 30. OD. Yes, because the sample random (b) If x= 101.9 and...
Test the hypothesis using the P-value approach. Be sure to verily the requirements of the test Ho p-0.3 versus H P>0.3 n-200, x=80; α:01 Calculate the test statistic, zo #0 (Round to two decimal places as needed) Identify the P-value P-value (Round to three decimal places as needed) Choose the correct result of the hypothesis test for the Pvalue approach belovw ty O A. Reject the nul hypothesis, because the P-value is greater than α O B. Do not reject...
Please help... thanks in advance!
Suppose a simple random sample 0 size n-75 is obtained rom a population whose size s 一20,0 0 and whose population propo tion with a specified characten cs p Oo om iete parts hrough be。 (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. o A. Not normal because ns 005N and np(1-p) 2 10. B. Approximately normal because n 0.05N and np(1-p) <...
Most questions answered within 3 hours.
-
From past history, the scores on a statistics test are normally
distributed with a mean of...
asked 11 minutes ago -
Calculate the gravitational field strength on the highest peak
of Everest (8848 m above the Earth).
asked 11 minutes ago -
the energy value of carbohydrates is 4.0 cal/g. calculate the
energy in 250 g of carbohydrates,...
asked 13 minutes ago -
i
need the summary of this article “Why I Don’t Trust The Video Games
Cause Violence”...
asked 32 minutes ago -
Draw the reactants and products of the following
reaction:
3-ethyl-2-heptene + HOH → 3-ethyl-3-heptanol +
3-ethyl-2-heptanol...
asked 30 minutes ago -
Determine the ratio of adipic acid and butylene glycol that
should be used to obtain a...
asked 39 minutes ago -
Calculate the ratio of the resistance of 11.0 m of aluminum wire
2.5 mm in diameter,...
asked 32 minutes ago -
Kinkaid Co. is incorporated at the beginning of this year and
engages in a number of...
asked 36 minutes ago -
when setting up a simple pendulum, calculate the string length
required for the period to equal...
asked 55 minutes ago -
: A small but very close dense mass of 389 kg is brought close
to a...
asked 55 minutes ago -
Create a class called Hotel. The hotel class will track the
current reservations for your one-room...
asked 1 hour ago -
In space, a 4.0 kg metal ball moving 30 m/s has a head on
collision with...
asked 1 hour ago