A company claims that its tablet computers have an average recharge time of 3 hours. Using a random sample of 50 company tablet
computers, a consumer group determines a mean recharge time of 2.5 hours with a standard deviation of 0.3 hours.
2 answers:
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Answer:
Step-by-step explanation:
<u>Find the derivative of the function when x=3</u>
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Since the change in the value of the function is and we know that the change in x is
, then we have:
Therefore, the 2nd option is correct
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