A sample of size 19 will be drawn from a population with mean 126 and standard deviation 38. (a) Is it appropriate...

Question

Question

Answer 1

Answer #1

normal distribution (a) - yes, it is appropriate to use the to find probabilities for si n=19, M=126, 0738 (6) P(x=115) =P(Z<

Answer 2

Similar Homework Help Questions

A sample of size 25 will be drawn from a population with mean 129 and standard...

A sample of size 25 will be drawn from a population with mean 129 and standard deviation 25 (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) If appropriate find the probability that x will be less than 116. (c) If appropriate find the 90 percentile of x. (a) Is it appropriate to use the normal distribution to find probabilities for x? Yes No (b) The probability that will be less than 116 is...
A sample of size 29 will be drawn from a population with mean 108 and standard...

A sample of size 29 will be drawn from a population with mean 108 and standard deviation 32. (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) If appropriate find the probability that x will be less than 88. (c) If appropriate find the 80th percentile of x. .
A sample of size 45 will be drawn from a population with mean 53 and standard...

A sample of size 45 will be drawn from a population with mean 53 and standard deviation 11. Use the T1-84 Plus calculator. (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) Find the probability that will be between 54 and 55. Round the answer to at least four decimal places (c) Find the 47th percentile of x. Round the answer to at least two decimal places. Yes (a) Is it appropriate to use...

A sample size of 15 is drawn from a population with a mean of 100 standard...

A sample size of 15 is drawn from a population with a mean of 100 standard deviation of 28 is it appropriate to use the normal distribution to find probabilities of the sample mean
A sample of size 45 will be drawn from a population with mean 10 and standard...

A sample of size 45 will be drawn from a population with mean 10 and standard deviation 5. Find the probability that x will be greater than 11. 32) A sample of size 45 will be drawn from a population with mean 10 and standard deviation 5. Find the probability that x will be greater than 11. B) 0.9099 A) 0.0901 C) 0.0721 D) 0.1170
A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information...

A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) below. x overbarx equals=25, n equals=38, sigma σ equals=4 confidence level equals=95% Click here to view page 1 of the standard normal distribution table. LOADING... Click here to view page 2 of the standard normal distribution table. LOADING... . Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the...

= X- 4) A normal distribution has mean u = 65 and a population standard deviation...

= X- 4) A normal distribution has mean u = 65 and a population standard deviation o= 20. Find and interpret the z - Score for x = 64. u a) The z - score for x = 64 is 64-65 b) Interpret these results. (Explain): 5) A sample size 28 will be drawn from a population with mean 120 and standard deviation 21. a) Is it appropriate to use the normal distribution to find probabilities for x? yes or...
A random sample is drawn from a normally distributed population with mean μ = 24 and...

A random sample is drawn from a normally distributed population with mean μ = 24 and standard deviation σ = 1.6. a. Are the sampling distribution of the sample mean with n = 32 and n = 63 normally distributed? Yes, both the sample means will have a normal distribution. No, both the sample means will not have a normal distribution. No, only the sample mean with n = 32 will have a normal distribution. No, only the sample mean...
A sample of size n=95 is drawn from a population whose standard deviation iso = 38....

A sample of size n=95 is drawn from a population whose standard deviation iso = 38. Part 1 of 2 (a) Find the margin of error for a 90% confidence interval for u. Round the answer to at least three decimal places. The margin of error for a 90% confidence interval for p is Part 2 of 2 (b) If the sample size were n = 62, would the margin of error be larger or smaller? (Choose one) , because...

1)A sample of size 50 will be drawn from a population with mean 73 and standard...

1)A sample of size 50 will be drawn from a population with mean 73 and standard deviation 8. Find the 19th percentile of . Group of answer choices 73.8 75.8 75.7 72.0 2)Use technology to solve the following problem: A certain car model has a mean gas mileage of 33 miles per gallon (mpg) with a standard deviation A pizza delivery company buys 48 of these cars. What is the probability that the average mileage of the fleet is between...