Calculus and Above

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Two samples are taken with the following numbers of
Two samples are taken with the following numbers of successes and sample sizes r 1 = 29 r 2 = 20 n 1 = 81 n 2 = 59Find a 94% confidence interval, round answers to the nearest thousandth. < p 1 − p … read more
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Assume that we want to construct a confidence interval. Do one of the​ following, as​ appropriate: (a) find the critical value ​, ​(b) find the critical value ​, or​ (c) state that neither the normal distribution nor the t distribution applies. The confidence level is ​%, is not​ known, and the normal quantile plot of the salaries​ (in thousands of​ dollars) of basketball players on a team is as shown.… read more
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The claim is that the IQ scores of statistics professors are
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I need to find the sample mean, sample standard deviation,
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Is there a way I can send you pics of specified questions? I
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Im having issues with my stat homework. So the question is
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In the formula for the Confidence Interval for the Mean,
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According to a New York Times / CBS News poll in June 2012,
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In a survey of 637637 males ages​ 18-64, 392392 say they
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I was trying to figure out number 2 in the resolved
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This same question with different numbers, Random and
Random and independent samples of 70 recent prime time airings from each of two major networks have been considered. The first network aired a mean of 109.1 commercials during prime time, with a standard deviation of 5.5 commercials. The second network aired a mean of 110.9 commercials, with a standard deviation of 5.5 commercials. As the sample sizes are quite large, the population standard deviations can be estimated using the sample standard deviations. Construct a 95% confidence interval for , the difference between the mean number of commercials aired during prime time by the first network and the mean number of commercials aired during prime time by the second network. Then complete the table belowwhat is the lower limit of the 95% confidence interval what is the upper limit of the 95% confidence interval … read more
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The 99% confidence intervals and females on height variable
The 99% confidence intervals for males and females on height variable are the following: females (64.85, 69.26) males (67.40, 71.93). Which is wider and why? … read more
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