Question: I don't know what I keep doing wrong with c and d The average amount of money spent for lunch per person in the college

I don't know what I keep doing wrong with c and d

I don't know what I keep doing wrong with c and d
The average amount of money spent for lunch per person in the college cafeteria is $7.09 and the standard deviation is $2.88. Suppose that 6 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( 7.09 2.88 b. What is the distribution of T? I ~ N( 7.09 1. 1758 c. For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $8.7463 and $10.1042 d. For the group of 6 patrons, find Enter an integer or decimal number accurate to at least 4 decimal places ]more Lan $10.1042. e. For part d), is the assumption that the distribution is normal necessary? O No) Yes

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!