Mathematics, 24.04.2020 22:00 isabeltorres5
Light bulb manufacturer claims that its bulbs have a mean life of 139.5 hours. A consumer group decides to test this hypothesis at the 5% level of significance. Which of the following is not an appropriate interpretation of the 5% level of significance? a) 5% is the probability of a Type I error b) 5% is the probability of rejecting the null hypothesis when it’s true c) 5% is the probability of accepting the null hypothesis when it’s false d) 5% is the criteria for judging whether the sample statistic is sufficiently extreme to cast doubt on the manufacturer’s claim e) None of these is an appropriate interpretation
Answers: 2
Mathematics, 21.06.2019 20:30
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 1
Mathematics, 21.06.2019 21:40
Use sigma notation to represent the following series for 9 terms.
Answers: 2
Mathematics, 21.06.2019 22:30
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
Light bulb manufacturer claims that its bulbs have a mean life of 139.5 hours. A consumer group deci...
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