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Smartphones: A poll agency reports that 47% of teenagers aged 12-17 own smartphones. A...
Smartphones: A poll agency reports that 48% of teenagers aged 12-17 own smartphones. A random sample...
Smartphones: A poll agency reports that 48% of teenagers aged 12-17 own smartphones. A random sample of 150 teenagers is drawn. Round your answers to at least four decimal places as needed. Part 1 of 6 (3) Find the meant The mean is 0.48 Part 2 of 6 (b) Find the standard deviation or The standard deviation GA is 0.0408 Part 3 of 6 (c) Find the probability that more than 50% of the sampled teenagers own a smartphone. The...
A poll agency reports that 47% of teenagers aged −12-17 own smartphones. A random sample of...
A poll agency reports that 47% of teenagers aged −12-17 own
smartphones. A random sample of
147 teenagers is drawn. Round your answers to at least four
decimal places as needed.
(d) Find the probability that the proportion of the sampled teenagers who own a smartphone is between 0.44 and 0.55 The probability that the proportion of the sampled teenagers who own a smartphone is between 0.44 and 0.55 is
Smartphones: A poll agency reports that 52% of teenagers aged 12-17 own smartphones. A random sample...
Smartphones: A poll agency reports that 52% of teenagers aged 12-17 own smartphones. A random sample of 200 teenagers is drawn. Round your answers to at least four decimal places as needed. (c) Find the probability that more than 55% of the sampled teenagers own a smartphone. The probability that more than 55% of the sampled teenagers own a smartphone is
Smartphones: A poll agency reports that 32% of teenagers aged 12-17 own smartphones. A random sample...
Smartphones: A poll agency reports that 32% of teenagers aged 12-17 own smartphones. A random sample of 100 teenagers is drawn. Round your answers to at least four decimal places as needed. (e) Find the probability that less than 35% of sampled teenagers own smartphones. The probability that less than 35% of sampled teenagers own smartphones is?
in a pop-Up Question 4 of 8 (1 point) View problem | A poll agency reports...
in a pop-Up Question 4 of 8 (1 point) View problem | A poll agency reports that 64% of teenagers aged 12-17 own smartphones. A random sample of 65 teenagers is drawn. Round your answers to four decimal places as needed Part 1 out of 6 Find the mean μ . The mean Hpis
Question 3 of 8 (1 point) 6.3 Section Exercise 9-14 (ca Below, n is the sample...
Question 3 of 8 (1 point) 6.3 Section Exercise 9-14 (ca Below, n is the sample size, p is the population proportion and is the sample proportion. Use the Central Limit Theorem and the Tl-84 calculator to find the probability. Round the answer to four decimal places. n=111 p = 0.54 P 0.50)- in apop-Up Question 4 of 8 (1 point) View problem | A poll agency reports that 64% of teenagers aged 12-17 own smartphones. A random sample of...
Question 2 (4 marks) Part a) A sample of n-25 observations is drawn from a normal...
Question 2 (4 marks) Part a) A sample of n-25 observations is drawn from a normal population with μ-100 and o-20. Find the following. i) P(X<96) ii) P(96-X-105) Part b) The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours. i) What is the probability that a professor works for more than 60 hours per weeks? ii) Find the probability that...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone,...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone, 50% an Android smartphone and 5% some other type of phone. Let X=the number of students in a simple random sample of 15 students who own an iPhone. A. What is the probability distribution of X? Note: If this is a well-known distribution it is sufficient to name the distribution and identify the value of the parameters B. Find the probability that 8 students...
Please computer typed, do not use hand writing! ! ! Thanks Question 2 (4 marks) Part...
Please computer typed, do not use hand writing! ! ! Thanks
Question 2 (4 marks) Part a) A sample of n-25 observations is drawn from a normal population with μ-100 and o-20. Find the following. i) P(X<96) ii) P(96-X-105) Part b) The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours. i) What is the probability that a professor works for...
Please give the text answer do not with hand writing, Thanks Question 2 (4 marks) Part...
Please give the text answer do not with hand writing, Thanks
Question 2 (4 marks) Part a) A sample of n-25 observations is drawn from a normal population with μ-100 and o-20. Find the following. i) P(X<96) ii) P(96-X-105) Part b) The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours. i) What is the probability that a professor works for...
Smartphones: A poll agency reports that 48% of teenagers aged 12-17 own smartphones. A random sample of 150 teenagers is drawn. Round your answers to at least four decimal places as needed. Part 1 of 6 (3) Find the meant The mean is 0.48 Part 2 of 6 (b) Find the standard deviation or The standard deviation GA is 0.0408 Part 3 of 6 (c) Find the probability that more than 50% of the sampled teenagers own a smartphone. The...
A poll agency reports that 47% of teenagers aged −12-17 own
smartphones. A random sample of
147 teenagers is drawn. Round your answers to at least four
decimal places as needed.
(d) Find the probability that the proportion of the sampled teenagers who own a smartphone is between 0.44 and 0.55 The probability that the proportion of the sampled teenagers who own a smartphone is between 0.44 and 0.55 is
Smartphones: A poll agency reports that 52% of teenagers aged 12-17 own smartphones. A random sample of 200 teenagers is drawn. Round your answers to at least four decimal places as needed. (c) Find the probability that more than 55% of the sampled teenagers own a smartphone. The probability that more than 55% of the sampled teenagers own a smartphone is
in a pop-Up Question 4 of 8 (1 point) View problem | A poll agency reports that 64% of teenagers aged 12-17 own smartphones. A random sample of 65 teenagers is drawn. Round your answers to four decimal places as needed Part 1 out of 6 Find the mean μ . The mean Hpis
Question 3 of 8 (1 point) 6.3 Section Exercise 9-14 (ca Below, n is the sample size, p is the population proportion and is the sample proportion. Use the Central Limit Theorem and the Tl-84 calculator to find the probability. Round the answer to four decimal places. n=111 p = 0.54 P 0.50)- in apop-Up Question 4 of 8 (1 point) View problem | A poll agency reports that 64% of teenagers aged 12-17 own smartphones. A random sample of...
Question 2 (4 marks) Part a) A sample of n-25 observations is drawn from a normal population with μ-100 and o-20. Find the following. i) P(X<96) ii) P(96-X-105) Part b) The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours. i) What is the probability that a professor works for more than 60 hours per weeks? ii) Find the probability that...
5. (20 pts) Suppose on a given college campus 45% of the students own an iPhone, 50% an Android smartphone and 5% some other type of phone. Let X=the number of students in a simple random sample of 15 students who own an iPhone. A. What is the probability distribution of X? Note: If this is a well-known distribution it is sufficient to name the distribution and identify the value of the parameters B. Find the probability that 8 students...
Please computer typed, do not use hand writing! ! ! Thanks
Question 2 (4 marks) Part a) A sample of n-25 observations is drawn from a normal population with μ-100 and o-20. Find the following. i) P(X<96) ii) P(96-X-105) Part b) The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours. i) What is the probability that a professor works for...
Please give the text answer do not with hand writing, Thanks
Question 2 (4 marks) Part a) A sample of n-25 observations is drawn from a normal population with μ-100 and o-20. Find the following. i) P(X<96) ii) P(96-X-105) Part b) The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours. i) What is the probability that a professor works for...
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