feedback

(Solution document) According to a survey, college student make an average of 77 calls per week on their cell phone. Moreover 80% of the students surveyed indicated that...


  1. According to a survey, college student make an average of 77 calls per week on their cell phone. Moreover 80% of the students surveyed indicated that their parents pay their cell phone expenses.

a.    If you select a student at random what is the probability that he or she makes 10 calls in a day?

b. If you select a random sample of 10 students, what is the probability of at least 2 have parents pay their cell phone expenses?

 







About this question:

Pay using PayPal (No PayPal account Required) or your credit card. All your purchases are securely protected by .
SiteLock