A manufacturer of nickel-hydrogen batteries randomly selects 100 nickel plates for test cells, cycles them a...

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A manufacturer of nickel-hydrogen batteries randomly selects 100nickel plates for test cells, cycles them a specified number oftimes, and determines that 14 of the plates have blistered.
z = 1.33
p- value = 0.0913
(b) If it is really the case that 16% of all plates blisterunder these circumstances and a sample size 100 is used, how likelyis it that the null hypothesis of part (a) will not be rejected bythe 0.05 test? (Round your answer to four decimal places.)
If it is really the case that 16% of all plates blister underthese circumstances and a sample size 200 is used, how likely is itthat the null hypothesis of part (a) will not be rejected by the0.05 test? (Round your answer to four decimal places.)
(c) How many plates would have to be tested to have?(0.16) = 0.10 for the test of part (a)? (Round youranswer up to the next whole number.)

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4.0 Ratings (705 Votes)

Given that z 133 and p value is 00913 n 100By plugging in the values and solving in the equationwe get p 010 and the p value is for a right tail hence thisis a right tailed test with hypothesisH0 p 010Ha p See Answer

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