# Question: Repeat Exercise 9 10 for a standard deviation of 10 In

Repeat Exercise 9.10 for a standard deviation of 10.

In Exercise Given a normal population whose mean is 50 and whose standard deviation is 5, find the probability that a random sample of

a. 4 have a mean between 49 and 52.

b. 16 have a mean between 49 and 52.

c. 25 have a mean between 49 and 52.

In Exercise Given a normal population whose mean is 50 and whose standard deviation is 5, find the probability that a random sample of

a. 4 have a mean between 49 and 52.

b. 16 have a mean between 49 and 52.

c. 25 have a mean between 49 and 52.

**View Solution:**## Answer to relevant Questions

Repeat Exercise for a standard deviation of 20.In Exercise, given a normal population whose mean is 50 and whose standard deviation is 5, find the probability that a random sample ofa. 4 have a mean between 49 and 52.b. 16 ...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.a. What is the probability that a professor works for more than ...The time it takes for a statistics professor to mark his midterm test is normally distributed with a mean of 4.8 minutes and a standard deviation of 1.3 minutes. There are 60 students in the professor’s class. What is the ...The assembly line that produces an electronic component of a missile system has historically resulted in a 2% defective rate. A random sample of 800 components is drawn. What is the probability that the defective rate is ...Independent random samples of 10 observations each are drawn from normal populations. The parameters of these populations arePopulation 1: µ = 280, σ = 25Population 2: µ = 270, σ = 30Find the probability that the mean of ...Post your question