Which confidence level will produce the widest confidence interval, given a sample proportion of 0.6?
A. 95%
B. 80%
C0. 68%
D. 90%

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

The tile along the edge of a triangular community pool needs to be replaced? ?