Mathematics, 21.06.2021 20:00 icantdomath4910

In 2011, the industries with the most complaints to the Better Business Bureau were banks, cable and satellite television companies, collection agencies, cellular phone providers, and new car dealerships (USA Today, April 16, 2012). The results for a sample of complaints are contained in the DATAfile named BBB. a. Construct a frequency distribution for the number of complaints by industry. Category Observed Frequency Bank Cable Car Cell Collection Total
b. Using a= .01, conduct a hypothesis test to determine if the probability of a complaint is the same for the five industries. What is your conclusion?
c. Which industry has the most complaints? - Select your answer - Dropping the industry with the most complaints using a = .05 , conduct a hypothesis test to determine if the probability of a complaint is the same for the remaining four industries. What is your conclusion?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:20

What is the y-intercept of the line given by the equation

Answers: 2

Answer

Mathematics, 21.06.2019 20:30

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Answers: 2

Answer

Mathematics, 21.06.2019 21:30

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Answers: 2

Answer

Mathematics, 21.06.2019 21:30

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Answers: 3

Answer

You know the right answer?

In 2011, the industries with the most complaints to the Better Business Bureau were banks, cable and...

Questions