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The following data represent the responses (Y for yes and N for no) from a sample of 40 college students to the question "Do you currently own shares in any stocks?"
26 said No
14 said Yes
A) Determine the sample proportion, p, of college students who own shares of stock.
B) If the population proportion is 0.30, determine the standard error of the proportion.
Using standard normal table, show critical value for left-tailed test with α = 0.02.
Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions. What is the likelihood the sample mean is at least $25.00?
Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices ..
question 1 according to the u.s. bureau of labor statistics 75 of the women 25 through 49 of age participate in the
All of these cars are for sale by dealers. Produce a dotplot of the prices and comment on features of the dotplot. Suggest a reasonable asking price for the 2005 Escape. Explain your reasoning.
Founder of modern probability and statistics theory Cardano asserted that if one throws a die three times the chance that a given number will show at least once is 50 percent. This is now recognized as the wrong answer. Calculate, what is a probab..
there are two urns a and b. urn a contains 2 red balls and 1 blue ball urn b contains 1 red ball and 1 blue ball. an
Is it true that one of the important properties of time series models is that some sort of pattern in the data over time should be detected first and then used within the model?
A survey of the residents of a new subdivision on why they happened to select that area in which to live. You also wish to secure some information about what they like and do not like about life in the subdivision.
Is there a relationship between whether or not someone completed and returned their 2011 census report and their opinion of gun control?
heres the question suppose that in a certain population of married couples 30 of the husbands smoke 20 of the wives
It was reported that 20 readers responded and 87% said "no" while 13% said "yes." Recognize 4 major flaws in this survey.
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