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Pavlova-9 [17]
3 years ago
10

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

times, and determines that 12 of the plates have blistered. (a) does this provide compelling evidence for concluding that more than 10% of all plates blister under such circumstances? state and test the appropriate hypotheses using a significance level of 0.05.

Business
1 answer:
Aloiza [94]3 years ago
4 0

Answer:

Explanation:

The calculation is shown in the picture attached

P-value > 0.05 it is concluded that the null hypothesis is not reject.

There is not enough evidence to claim that the more than 10% of all plates blister under such circumstances.

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Year              Cash flow        PVF at 10%         Present value

0                    -$59,000               1.000            $(59,000.00)

1                      $24,500              0.909             $22,272.73

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Net present value                                                $4,933.13

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