Question: 1.Students taking a standardized IQ test had a mean score of 98 with a standard deviation of 12. Assume that the scores are normally distributed.

1.Students taking a standardized IQ test had a mean score of 98 with a standard deviation of 12. Assume that the scores are normally distributed. If a random sample of 16 students is selected, find the probability that their mean score is between 97 and 105.Leave your answer as a decimal with 4 decimal places.

2.Students taking a standardized IQ test had a mean score of 98 with a standard deviation of 12. If a random sample of 64 students is selected, find the probability that their mean score is greater than 101.Leave your answer as a decimal with 4 decimal places.

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!

Students taking a standardized IQ test had a mean score of 98 with a standard deviation of 12. Assume that the scores are normally distributed. If a random sample of 16 students is selected, find the...

Students taking a standardized IQ test had a mean score of 98 with a standard deviation of 12. If a random sample of 64 students is selected, find the probability that their mean score is greater...

Students taking a standardized IQ test had a mean score of 98 with a standard deviation of 12. If a random sample of 36 students is selected, find the probability that their mean score is less than...

Find each normal probability for the given parameters. (a) = 5.5, = 0.08, P(5.36 37) In Exercises 3-10, use the...

Students taking a standardized IQ test had a mean score of 100 with a standard deviation of 15. Assume score are normally distributed.If 1500 students are randomly selected, how many would be...

Students taking a standardized IQ test had a mean score of 100 with a standard deviation of 15. Assume score are normally distributed.What is the lowest score that would still place a student in the...

Please Help: Module 10.2 Section | Question 1 (2.5 points) The stretch in a spring varies directly as the attached weight. A 6kg weight stretches a spring 2.4 cm. a. What is the constant of...

Answer Questions 1-8 and draw and shade the curves. Take this quiz as you would take a quiz in class. After you are done, check you work against the answers given in the back of the book. 1. Find...

Students taking a standardized IQ test had a mean score of100with a standard deviation of15.Assume score are normally distributed. A random sample of 50 students is drawn from this population. What...

In a recent year, grade 8 WashingtonState public schools students taking a mathematics assessment test had a mean score of 281 with a standard deviation of 34.4. Possible test scores could range from...

At the end of her shift, a 19 year old shoe salesperson was questioned by two store security officers. She was questioned in a small room for three hours. One of the security officers sat behind her...

Retirement means different things to different people and industry observers say retirement aspirations of Singaporeans have evolved over time. Mr. Edwin Chua, aged 39 this year, is already planning...

Question Content Area Employees must be given Form W - 2 on or before January 3 1 following the close of the calendar year. True False

A company is preparing completing their Cash Budget. The following data has been prepared for cash receipts and payments. January February March Cash receipts $1,061,200 $1,182,400 $1,091,700 Cash...