Saturday

September 20, 2014

September 20, 2014

Posted by **Joe** on Sunday, February 19, 2012 at 3:03pm.

A)Let X represent the weight of a randomly selected bag. For what value of c is P(E(X) - c < X < E(X) + c)=0.84? Give your answer to four decimal places.

B)Assume the weights of individual bags are independent. What is the expected number of bags out of a sample of 16 that weigh less than 50 lbs? Give your answer to four decimal places.

C)Assuming the weights of individual bags are independent, what is the probability that 12 or fewer bags weigh less than 50 pounds in a sample of size 16? Give your answer to four decimal places.

**Answer this Question**

**Related Questions**

STAT - The weights of the 100 students in an introductory statistics class are ...

STAT - The weights of the 100 students in an introductory statistics class are ...

STAT - The weights of the 100 students in an introductory statistics class are ...

statistic - A grain mill manufactures 100-pound bags of flour for sale in ...

Statistics - The weights of male babies less than 2 months old in the United ...

Statistics - Suppose that the weight of male babies less than 2 months old is ...

Statistics - The seasonal output of a new experimental strain of pepper plants ...

Statistics - Suppose that the weight of male babies less than 2 months old is ...

statistics - Assuming that the weights of newborn babies are normally ...

statistics - In response to the increasing weight of airline passengers, the ...