Mathematics

Mathematics, 01.08.2019 03:30, kingzae04

Abernoulli random variable x has unknown success probability p. using 100 independent samples of x, find a confidence interval estimate of p with confidence coefficient 0.99. if = 0.06, what is our interval estimate

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Mathematics, 16.07.2019 00:30, gabrielolivas59

Assuming the binomial distribution applies with a sample size of nequals20, find the values below. a. the probability of 5 or more successes if the probability of a success is 0.05 b. the probability of fewer than 4 successes if the probability of a success is 0.20 c. the expected value of the random variable if the probability of success is 0.80 d. the standard deviation of the random variable if the probability of success is 0.80

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Mathematics, 20.07.2019 03:20, eriter659

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Mathematics, 05.08.2019 16:20, macnasiahamiel

Which of the following is not true when dealing with independent samples? choose the correct answer below. a. the confidence interval estimate of µ 1-µ 2 is ( x 1 - x 2 ) - e < ( µ 1 - µ 2 ) < ( x 1 - x 2 ) + e. b. when making an inference about the two means, the p-value and traditional methods of hypothesis testing result in the same conclusion as the confidence interval method. c. the variance of the differences between two independent random variables equals the variance of the first random variable - the variance of the second random variable. d. the null hypothesis µ 1=µ 2 or µ 1 - µ 2 = 0 can be tested using the p-value method, the traditional method, or by determining if the confidence interval limits for µ 1-µ 2 contain 0.

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Mathematics, 30.08.2019 18:30, mmpinkortizov5n3y

Let y be a random variable following b(300, p, binomial distribution with (unknown probability of success p ? (0, 1 and 300 bernoulli trials. if the observed value of y is y = 75, find an approximate 90 percent confidence interval for p.

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