Mathematics, 21.01.2020 05:31, catiehohman13
An engineer has designed a valve that will regulate water pressure on an automobile engine. the valve was tested on 290 engines and the mean pressure was 7.6 pounds/square inch (psi). assume the population standard deviation is 1.0. if the valve was designed to produce a mean pressure of 7.7 psi, is there sufficient evidence at the 0.02 level that the valve does not perform to the specifications?
step 1 of 6: state the null and alternative hypotheses.
step 2 of 6: find the value of the test statistic. round your answer to two decimal places.
step 3 of 6: specify if the test is one-tailed or two-tailed.
step 4 of 6: find the p-value of the test statistic. round your answer to four decimal places.
step 5 of 6: identify the level of significance for the hypothesis test.
step 6 of 6: make the decision to reject or fail to reject the null hypothesis.
Answers: 1
Mathematics, 21.06.2019 20:40, jaydenrobinettewca
Ineed someone to me answer my question i have to have this done and knocked out
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Mathematics, 21.06.2019 22:10, BilliePaul95
Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?
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Mathematics, 22.06.2019 01:00, Kikilcaro4423
First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement
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Mathematics, 22.06.2019 03:00, webbhlharryteach
Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.
Answers: 2
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