Mathematics, 05.03.2020 19:55, kmart4062
A sample of 30 is taken from a population of Inconel weldments. The average thickness is 1.87 inches at a key location on the part. The sample standard deviation is 0.125 inches and will be used as an estimate of population standard deviation. Calculate the 99% confidence interval. (Hint: Z(a/2) is 2.58 for a 99% CI)a. (1.811, 1.929)b. (1.611, 1.729)c. (1.711, 1.829)d. (1.511, 1.629)
Answers: 2
Mathematics, 21.06.2019 15:30, groverparham3
Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)
Answers: 3
Mathematics, 21.06.2019 20:00, jhernandezvaldez142
Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?
Answers: 2
A sample of 30 is taken from a population of Inconel weldments. The average thickness is 1.87 inches...
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