Mathematics, 24.12.2021 08:20, alleyboard
The marketing department for a hand calculator claims the battery pack performs 20,000 calculations before it has to be recharged. The quality control manager for the manufacturer is entrusted with validating the claim that the battery pack works as long as the specifications state in order to secure a large order from a key customer. A test of 114 battery packs yields an average of 19,695 calculations with a standard deviation of 1,103.
1) Formulate the appropriate null and alternative hypotheses.
2) Calculate the appropriate test statistic and p-value.
3) How is the p-value computed for a two-sided alternative given a null hypothesis H0 : μ = μ0 for the mean of a normal distribution with known variance?
Answers: 1
Mathematics, 21.06.2019 18:10, mayamcmillan11
An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years
Answers: 3
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