Mathematics, 28.07.2020 22:01, michelerin9486
In a random sample of 85 automobile engine crankshaft bearings, 10 have a surface finish roughness that exceeds the specifications. Does this data present strong evidence that the proportion of crankshaft bearings exhibiting excess surface roughness exceeds 0.10?
1. State and test the appropriate hypotheses using alpha = 0.05.
2. If it is really the situation that p = 0.15, how likely is it that the test procedure in part (a) will not reject the null hypothesis?
3. If p = 0.15, how large would the sample size have to be for us to have a probability of correctly rejecting the null hypothesis of 0.9?
Answers: 3
Mathematics, 21.06.2019 20:00, villarrealc1987
The function models the number of accidents per 50 million miles driven as a function
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Mathematics, 21.06.2019 21:50, zymikaa00
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
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Mathematics, 21.06.2019 23:30, kathlynskare06
Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180
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In a random sample of 85 automobile engine crankshaft bearings, 10 have a surface finish roughness t...
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