312 Answered Questions for the topic College Math

College Math Calculus

6d

#### Which one of the following matrices is BB^T?

Given the matrix B:1 3 2 2 -1 0 What is BBT?
College Math Math Mathematics

18d

Police used 600ft of yellow tape to fence off a rectangular-shaped area for an investigation. The width of each side used 60ft less tape than the length of each side. Find the dimensions of the... more
College Math Math Statistics

10/25/20

#### Which distribution should you use for this problem? (Enter your answer in the form z or tdf where df is the degrees of freedom.)

A hospital is trying to cut down on emergency room wait times. It is interested in the amount of time patients must wait before being called back to be examined. An investigation committee randomly... more
College Math Math Statistics

10/25/20

#### How much area is in both tails (combined)? (Enter an exact number as an integer, fraction, or decimal.)

The mean age for all Foothill College students for a recent Fall term was 33.2. The population standard deviation has been pretty consistent at 15. Suppose that twenty-five Winter students were... more
College Math Math Statistics

10/15/20

#### Let X = the average of the 49 races.

Suppose that a category of world class runners are known to run a marathon (26 miles) in an average of 144 minutes with a standard deviation of 13 minutes. Consider 49 of the races.Let X = the... more

09/13/20

02/26/20

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