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Historical data reveals that 47% of all adult women think that they do not get enough time for themeslves. A recent opinion poll interviews 1025 randomly chosen women and records the sample proportion of women who do not feel that they get enough time for themselves. This statistic will vary from sample to sample if the poll is repeated. Suppose the true population proportion is 0.47. In what range will the middle 68% of all sample results fall for samples of size 1025?
Why is the answer 0.454 to 0.486 - please show work and thought process.
Fab (www.fab.com) is a highly successful flash-deal Web site for designer goods. A flash-deal site (also called deal-of-the-day is an electronic commerce business model in which a Web site offers a single product for sale for a period of 24 to 36 ..
The Republican Party, commonly referred to as the GOP (abbreviation for Grand Old Party), is one of the two major contemporary political parties in the United States, the other being its historic rival, the Democratic Party. Describe this party in..
The teacher ranked a group of students for leadership ability and had another teacher rank the same children on attractiveness.
What is the probability that at least 4 of the first 10 customers buy specialty clothes for their pet?
Assume you roll two regular (and fair, i.e., unbiased, not loaded) six sided dice together once.
how many tissues should a package of tissues contain? researchers have determined that a person uses an average of 41
Find the probability that a normal random variable X with mean µ = 1600 and standard deviation s = 200 is at least 1900.
let x1 x2 x3nbspbe a random sample of size n3 from the poisson distributions with respective meansnbspl1nbsp 4nbspl2
What size sample would be required to estimate the proportion of unemployed college students if we want the margin of error not to exceed 3 percent?
Given that this sample is extremely large, can the responses be considered to be representative of the population of the United States? Explain.
the mean score of the first calculus exam was 81. the standard deviation was 12. find the smallest interval about the
Give a formula for the probability law of the numerical valued random phenomenon described.
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