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8 Answered Questions for the topic Hypothesis

Hypothesis Math Statistics

05/30/20

Statistics question Hypothesis tests for Proportions

A telecommunications company provided its cable TV subscribers with free access to a new sports channel for a period of one month. If then chose a sample of 400 television viewers and asked them... more

04/29/20

Regression Help

The following table gives information on the amount of sugar (in grams) and the calorie count inone serving of a sample of 13 varieties of Kellogg’s cereal. Sugar... more
Hypothesis Math Statistics

12/15/19

confidence in banks

Confidence in banks: A poll conducted by the General Social Survey asked a random sample of 1325 adults in the United States how much confidence they had in banks and other financial institutions.... more
Hypothesis Statistics Testing

12/15/19

Careers in science: The General Social Survey asked 514 people whether they had ever considered a career in science, and 178 said that they had

Careers in science: The General Social Survey asked 514 people whether they had ever considered a career in science, and 178 said that they had. Can you conclude that more than 30% of people have... more

12/15/19

confidence in banks

Confidence in banks: A poll conducted by the General Social Survey asked a random sample of 1325 adults in the United States how much confidence they had in banks and other financial institutions.... more
Hypothesis Math Statistics

08/01/19

statistics question

Cable TV choices: A telecommunications company provided its cable TV subscribers with free access to a new sports channel for a period of one month. It then chose a sample of 400 television viewers... more
Hypothesis Math Statistics

08/01/19

Statistics question

Hypothesis TestingA sales manager believes that the mean number of days per year her company’s sales representatives spend traveling is less than 50. A test is made of H0: μ = 50 versus H1: μ <... more
Hypothesis Math Statistics

08/01/19

Statistics question Hypothesis Tests for Proportions

Cable TV choices: A telecommunications company provided its cable TV subscribers with free access to a new sports channel for a period of one month. It then chose a sample of 400 television viewers... more

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