In a manual on how to have a number one song, it is claimed that a song must be no longer than 210 seconds. a simple random sample of 20 current hit songs results in a mean length of 234.3 sec and a standard deviation of 54.14 sec. use a 0.05 significance level and the accompanying ti -83 display to test the claim.

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1