A Large Disaster Cleaning Company Estimates That 30 Percent of the Jobs

question 82

Multiple Choice

A large disaster cleaning company estimates that 30 percent of the jobs it bids on are finished within the bid time. Looking at a random sample of 8 jobs that it has contracted, find the probability that x (number of jobs finished on time) is within one standard deviation of the mean.

• A) .6867
• B) .2541
• C) .5506
• D) .8844

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Definitions:

Savings Account

An account in a bank or financial institution where the main amount is safe and earns a small amount of interest.

Interest

The charge for the privilege of borrowing money, typically expressed as an annual percentage rate.

Future Value

The value of an investment at a specified point in the future, accounting for factors like interest rates and compounding.

Payment

The transfer of money, or its equivalent, from one party to another in exchange for goods, services, or to fulfill a legal obligation.