A manufacturer of rechargeable laptop batteries claims its batteries have, on average, 500 charges. A consumer group decides to test this claim by assessing the number of times 30 of their laptop batteries can be recharged and finds the average is 497, with a standard deviation of 10. The resulting p-value is .1111; thus, the null hypothesis is not rejected. What is the Type II error? -The consumer group concludes that the manufacturer's claim that its laptop batteries can be recharged, on average, 500 times is inaccurate, when in fact the claim is accurate. -The correct decison was made, there was no error possible. -The consumer group concludes that the manufacturer's claim that its laptop batteries can be recharged, on average, 500 times is accurate, when in fact the claim is inaccurate.
A manufacturer of rechargeable laptop batteries claims its batteries have, on average, 500 charges. A consumer group decides to test this claim by assessing the number of times 30 of their laptop batteries can be recharged and finds the average is 497, with a standard deviation of 10.
The resulting p-value is .1111; thus, the null hypothesis is not rejected. What is the Type II error?
-The consumer group concludes that the manufacturer's claim that its laptop batteries can be recharged, on average, 500 times is inaccurate, when in fact the claim is accurate.
-The correct decison was made, there was no error possible.
-The consumer group concludes that the manufacturer's claim that its laptop batteries can be recharged, on average, 500 times is accurate, when in fact the claim is inaccurate.
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