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A soda company wants to stimulate sales in this economic climate by giving customers a chance to win a small prize for every bottle of soda they buy. There is a 15% chance that a customer will find a picture of a cherry at the bottom of the cap upon opening up a bottle of soda. The customer can then redeem that bottle cap with a picture of a cherry for a small prize. Now, if I buy a 6-pack of soda, what is the probability that I will win something, i.e., at least win a single small prize? (Show work)
Is the estimate from the participants significantly higher than the actual number (µ = 3.1)? Use a one-tailed test with = .05.
You are given the following data. Test the claim that there is a difference in the means of the two groups. Use = 0.01. State the null and alternate hypotheses
Book inventory Record information - Ratio, interval, nominal or ordinal.
Please explain the difference between confidence interval and significance level and how they interact or "influence" each other.
a poll was conducted and showed that of those americans who said music plays a very important role in their lives 35
Do these scores suggest that the different foods are differentially preferred by people in general? (Use the .05 significance level.)
Airplane Safety: Suppose that 62% of all adults think that airplanes would be safer places if pilots carried guns. An opinion poll plans to ask an SRS of 1009 adults about airplane safety.
What is Goldberg's rationale for the study? Was the study designed to contribute to theory? Do the results of the study contribute to theory? For both questions: If so, how? If not, why not?
Explain what you could do to reverse the trend of competitive exclusion by humans so that we do not exhaust the limited resources of the Earth
The following is the number of minutes to commute from home to work for a group of automobile executives.
question the weights of packets of cookies produced by a manufacturer have a normal distribution with mean 202 grams
Many people do not "like" or "trust" single point estimates for things they need measured.
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