Grade 11 and 12 Mathematics (Moderator: geoffrey)

A math teacher would like to present the midterm results to her class in a way that shows the ...

Started by meagbuch

A z-test to compare two population proportions is to be conducted. True or false: One condition for ...

Started by yoroshambo

Gun control is a sensitive issue in the US. In a survey, 650 people favored a ban on handguns out of ...

Started by ashley

A random sample of 600 high school boys showed that 40 had taken diet pills during the past 30 days ...

Started by Haya94

A random sample of 800 high school boys showed that 420 had done strenuous exercise during the past ...

Started by dbose

A hypothesis test is done in which the alternative hypothesis states that more than 10 of a ...

Started by mia

Suppose a 95 confidence interval for p, the proportion of drivers who admit that they sometimes run ...

Started by washai

The p-value for a two-sided test for a population proportion was 0.04 . The p-value for a one-sided ...

Started by lidoalex

A null hypothesis is that the probability is 0.7 that a new drug will provide relief in a randomly ...

Started by TVarnum

Consider testing the alternative hypothesis that the proportion of adult Canadians opposed to ...

Started by ahriuashd

About 90 of the general population is right-handed. A researcher speculates that artists are less ...

Started by cherise1989

Past data indicates an 80 (0.8) success rate in treating a certain medical problem. A new treatment ...

Started by Chelseaamend

A hypothesis test for a population proportion p is given below: H0: p = 0.70 Ha: p 0.70 For each ...

Started by Deast7027

A z-test for testing hypotheses about a population proportion is to be conducted. True or false: One ...

Started by ssal

The null and alternative hypotheses for p = proportion of students who buy at least 3 textbooks in a ...

Started by Wadzanai

The null hypothesis for p = proportion of students who own their own car is H0: p = 0.10 . The ...

Started by jjjetplane

Explain what is meant by the power of a hypothesis test and suggest one way a researcher might ...

Started by acc299

Explain what the statement of the null hypothesis represents in hypothesis testing. Give an ...

Started by wrbasek0

In an American criminal trial, the null hypothesis is that the defendant is innocent and the ...

Started by serike

If, in a hypothesis test, the null hypothesis is actually true, which type of mistake can be made? ...

Started by sdfghj

In hypothesis testing, a Type 2 error occurs when a. the null hypothesis is not rejected when the ...

Started by littleanan

In hypothesis testing, a Type 1 error occurs when a. the null hypothesis is not rejected when the ...

Started by burton19126

Suppose the significance level for a hypothesis test is = 0.05 . If the p-value is 0.999, the ...

Started by jman1234

In a hypothesis test which of the following can (and should) be determined before collecting data? ...

Started by rayancarla1

Which one of the following is not true about hypothesis tests? a. Hypothesis tests are only valid ...

Started by LaDunn