Suppose that the scores of golfers in one round on the PGA tour has an average of 71 and standard deviation of 3.56. A random sample of 40 is taken from the population. What is the distribution of the sample mean?

By the Central Limit Theorem, the distribution of the sample mean will be normally distributed with mean and standard deviation

Step-by-step explanation:

We use the Central Limit Theorem to solve this problem.

The Central Limit Theorem estabilishes that, for a random variable X, with mean and standard deviation , a large sample size, of at least 30, can be approximated to a normal distribution with mean and standard deviation

In this problem, we have that

What is the distribution of the sample mean?

By the Central Limit Theorem, the distribution of the sample mean will be normally distributed with mean and standard deviation

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees