Cumulative distribution function of a binomial random
Determine the cumulative distribution function of a binomial random variable with n = 3 and p = 1 / 5
Give exact answers in form of fraction.
F(0) =
F(1) =
F(2) =
F(3) =
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What is your plan to correctly identify the defective shipment in one measurement of the scale with the minimal cost of moving the engines to the scale by forklift? You may assume all the engines in a shipment have 0 variance in weights within the
The random variable X has a binomial distribution with n = 10 and p = 0.5. Determine the following probabilities.
If he production line is operation correctly, approximately what proportion of batches from a day's production will contain less than 1.84% of zinc phospide? please guide through answer.
Ellys hot dog emporium is famous for its chilidogs. Some customers order the hot dogs with hot peppers, while many do not care for that added bit of zest. Ellys latest sales indicate that 30% of the customers ordering her chilidogs order it with h
It is thought that more than 85% of all children who experience chest pain will nevertheless have a normal echocardiogram. A sample of 129 of these children yields 113 with normal echocardiograms. Based on this sample, may we conclude that more th
In a conference meeting, the duration of all presentations is normally distributed with a mean of 30 minutes and a standard deviation of 5 minutes. Calculate Q1, the frist quartile.
A politician claims that she will receive 61% of the vote in an upcoming election. The results of a properly designed random sample of 100 voters showed that 55 of those sampled will vote for her. Is it likely that her assertion is correct at the
Assume that the significance level is a = 0.01. Use the given information to find the p-value and the critical value. The test statistic of z = 1.84 is obtained when testing the claim that p > 0.1.
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