Mathematics, 25.06.2019 01:20 ComicSans01
Light bulbs of a certain type are advertised as having an averagelifetime of 750 hours. the price of these bulbs is very favorable, so a potential customer has decided to go ahead with a purchasearrangement unless it can be conclusively demonstrated thatthe true average lifetime is smaller than what is advertised. arandom sample of 50 bulbs was selected, the lifetime of each bulbdetermined, and the appropriate hypothesis were tested usingminitab, resulting in the accompanying output. variable n mean st dev semean zp -valuelifetime 50 738.44 38.20 5.40-2.14 0.016 what conclusion would be appropriate for a significance level of.05 ? .a significance level of .01 ? . what significance level wouldyou recommend ?
Answers: 3
Mathematics, 21.06.2019 19:30
[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) รท (x^2 + 2x - 8) (x^2 + 6x + 8)
Answers: 1
Mathematics, 21.06.2019 23:30
Bonnie and bobby are saving money for a vacation. each friend starts with an amount and also saves a specific amount each week. bonnie created a table to show the total she has saved at the end of each week.. weeks 0 1 2 3 4 5 6 7 8 amount saved 12 16 20 24 28 32 36 40 44 bobby came up with the following equation to show the total, y, he has saved at the end of each week, x. y = 12x + 4 compare the rate at which each friend saves money. select the correct answer from the drop-down menu to complete the statement. the rate at which bobby is adding to his savings each week is $ more than the rate at which bonnie is adding to her savings each week.
Answers: 2
Mathematics, 22.06.2019 02:30
Flvs question 3 exam: 04.10 segment one exam part two what is the measure of angle x? picture is shown
Answers: 1
Light bulbs of a certain type are advertised as having an averagelifetime of 750 hours. the price of...
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