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Based on the Nielsen ratings, the local CBS affiliate claims its 11:00 PM newscast reaches 41% of the viewing audience in the area. In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is your decision if α = 0.01?
Which of given is the correct decision statement for test?
Determine the coefficient of correlation between the two variables. Interpret the value.
Should Mark use the study? Why? What is the maximum amount Mark should be willing to pay for this study? What is the maximum amount he should pay for any study?
the standard deviation is $400. Suppose 90 claims are filed in one week. What is the probability that the average (sample mean) is more than $1900?
Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.
Determine the p-value for this test. Is there sufficient evidence to justify the rejection of H0 at the "alpha" level of 0.01? Please explain your answer.
A university found that 20 percent of its students withdraw without completing the introductory statistics. Assume that 20 students registered for the course.
In a normal population with sigma=20, a random sample of size n gave X(mean)=56.53. At the 5% significance level, make a two-tailed test of the null hypothesis mu=50, when (a) n=24 (b) n=36
The average public elementary school has 450 students. assume the stand deviation of the distribution is 99. if a random sample of 36 public elementary schools is selected, find the probability that the number of students enrolled is between 445 a..
In a recent study, a random sample of children in grades two through four showed a significant negative relationship between the amount of homework assigned and student attitudes. What is the explanatory variable and what is the response variable?
To test whether the population standard deviation differ significantly using Chi-Square test.
Calculate the mean and standard deviation for this set of data. Convert your answer back to dollars and cents and give the correlation value between number of beers consumed and BAC?
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