Question: For each part of this problem Write a probability statement Write a calculator command statement involved in determining a given probability . Intelligence quotient (IQ)

For each part of this problem

Write a probability statement

Write a calculator command statement involved in determining a given probability.

Intelligence quotient (IQ) scores are often reported to be normally distributed with = 100.0 and = 15.0

  1. What is the probability of a person chosen at random having an IQ score of less than 95?
  2. If a random sample of 50 people is taken, what is the probability that their mean IQ score will be less than 95?
  3. If a random sample of 50 people is taken, what is the probability that their mean IQ score will be more than 95?
  4. If a random sample of 50 people is taken, what is the probability that their mean IQ score will be more than 105?
  5. If a random sample of 50 people is taken, what is the probability that their mean IQ score will differ from the population mean by more than 5?

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!