Mathematics, 10.12.2019 22:31 choiboiqg5755
2.lightbulbs of a certain type are advertised as having an average lifetime of 750 hours. the price of these bulbs is very favorable, so a potential customer has decided to go ahead with a purchase arrangement unless it can be conclusively demonstrated that the true average lifetime is smaller than what is advertised. a random sample of 50 bulbs was selected, the lifetime of each bulb determined, and the appropriate hypotheses were tested using minitab, resulting in the accompanying output. variable lifetime 50 semean p-value mean stdev 738.44 38.20 5.40 -2.14 0.016 what conclusion would be appropriate for a significance level of .05?
Answers: 3
Mathematics, 21.06.2019 19:00
How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)
Answers: 1
Mathematics, 21.06.2019 21:00
The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.
Answers: 1
Mathematics, 22.06.2019 01:30
Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)
Answers: 2
Mathematics, 22.06.2019 02:30
The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2
Answers: 1
2.lightbulbs of a certain type are advertised as having an average lifetime of 750 hours. the price...
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