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Based on the Nielsen ratings, the local CBS affiliate claims its 11:00 PM newscast reaches 41% audience. In a survvey of 100 viewers, 36% indicated that they watch the news on his local CBS station.
A) What is the critical value if ALPHA =0.01?
B) What is the Z statistic?
A random sample of 100 automobiles has a mean speed of 36 miles per hour and a standard deviation of 5 miles per hour. Is there enough evidence to support the claim at alpha=0.05?
rollover rates for suvs is a major transportation safety issue. in order to capture differences among true rollover
an automated filling process used by a soft drink manufacturer fills bottles marked as containing 32 ounces. the amount
Can it be concluded that, X, number of boys in two-child families of preeminent scholars, is binomiallydistributed? Let α=0.05.
the number of people living in a hypothetical large canadian city is reported by age groups in the following table.age
Find the probability that among 8 randomly selected graduates, at least one finds a job in his or her chosen field within a year of graduating.
You are interested in whether men participate more than women in political activities, so you survey 632 men and 675 women and ask them how many political events they attended within the past year. Here are your results.
She is interested in testing the null hypothesis that the mean SAT score is the same for each type of schooling using the one-way ANOVA. Some summary statistics for the three groups are given below, followed by the one-way ANOVA table.
A statewide real estate sales agency, Farm Associates, specializes in selling farm property in the state of Nebraska. Its records indicate that the mean selling time of farm property is 90 days.
They tested a random sample of 40 batteries using a special device designed to imitate real-world use and recorded data on battery lifetime. Determine the sample mean (in minutes).
At.01 significance level, is there difference in mean number of times men and women order take-out dinners in month? Determine the p -value?
question assume that charlotte has two stocks disney d and amazon a. for each of these stocks the possible percent
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