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QUESTION 4 The credit card debts of all college students have a normal distribution with a mean of RM3000 and a standard
Posted: Thu Apr 28, 2022 7:40 am
by answerhappygod
- Question 4 The Credit Card Debts Of All College Students Have A Normal Distribution With A Mean Of Rm3000 And A Standard 1 (40.85 KiB) Viewed 34 times
QUESTION 4 The credit card debts of all college students have a normal distribution with a mean of RM3000 and a standard deviation of RM700. (a) (b) Find the probability that the credit card debts are less than RM4000 [3 marks) If a random sample of 40 college students is selected, find the standard deviation of the sample mean for credit card debts are less than RM4000. [2 marks)