The Average Speed of Cars Passing a Checkpoint Is 60

question 14

Multiple Choice

The average speed of cars passing a checkpoint is 60 miles per hour with a standard deviation of 8 miles per hour.Fifty (50) passing cars are clocked at random from this checkpoint.The probability that the sample mean will be between 57 and 62 miles per hour is:

• A) 0.9576.
• B) 0.9960.
• C) 0.2467.
• D) 0.3520.
• E) 0.4659

---

Definitions:

Disbursement Float

The time between when a check is issued by a company and when the funds are actually removed from the company's bank account.

Cheques

Documents that order a bank to pay a specific amount of money from a person's account to the person in whose name the cheque has been issued.