Question: A variable X follows a normal distribution with mean 43 and variance 144. We take a random sample of n individuals from this distribution and

  1. A variable X follows a normal distribution with mean 43 and variance 144. We take a random sample of n individuals from this distribution and calculate the sample mean x . What must the sample size be so that the standard deviation of the sample mean X is equal to 0.8

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

A variable X follows a normal distribution with mean 43 and variance 144. We take a random sample of n individuals from this distribution and calculate the sample mean 2. What must the sample size be...

Q:

Suppose random variable X follows a normal distribution with mean 10 and variance 16 . Consider random samples of different sizes from that population to answer the following qiestions, Consider a...

Q:

A random variable X follows a normal distribution with mean 10 and variance 16. Consider random samples of different sizes from that population to answer the following questions. Consider a sample of...

Q:

The 500 values of x; y; z1; and z2 in ivreg2.dat were generated artificially. The variable y b1 b2x e 3 1x e. (a) The explanatory variable x follows a normal distribution with mean zero and...

Q:

Suppose random variable X follows a normal distribution with mean 10 and variance 16. Consider random samples of different sizes from that population to answer the following questions. Consider a...

Q:

Suppose random variable X follows a normal distribution with mean 10 and variance 16. Consider random samples of different sizes from that population to answer the following questions. Consider a...

Q:

Suppose random variable X follows a normal distribution with mean 10 and variance 16. Consider random samples of different sizes from that population to answer the following questions. Consider a...

Q:

Page 1 of 14 **Excel is not acceptable for this **Part D: All work must be shown step by step in order to receive full credit Part A: Fill in the blank (1-26) 1) 2) 3) 4) 5) Given , H0: = 0, then Ha...

Q:

A variable * follows a normal distribution with mean 43 and variance 14 4 . We take a random sample of ~ individuals from this distribution and calculate the sample mean *c . What must the sample...

Q:

The forward price of the 1-month forward contract on Stock ABC is $100, and one forward contract corresponds to 1 share of the stock. The forward has cash settlement. An investor holds a portfolio...

Q:

Why are dual-frequency and GNSS receivers preferred for high-accuracy control stations?

Q:

Suppose the following pairs of functions f(n) and g(n) describe the number of operations that two different algorithms would use to perform the same task. For each pair: (a) describe each function...

Q:

Assume a parent company acquired a subsidiary on January 1, 2019. The purchase price was $1,035,000 in excess of the subsidiary's book value of Stockholder's Equity on the acquisition date, and that...

Q:

56. What organization set the GAAP guidelines? Financial Accounting Standards Board (FASB) Federal Deposit Insurance Corporation (FDIC) Securities and Exchange Commission (SEC) International...