subject
Mathematics, 07.09.2020 05:01 Janznznz4012

Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a metal clamp
involves the drilling of three holes. In a sample of 81 clamps, the mean time to
complete this step was 42.8 seconds. Assume that the population standard deviation
is 8 seconds. What is the lower bound of the 98% confidence interval?
Round your answer to one decimal place (for example: 41.9).

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:00, vale2652
Write and solve a real word problem that involves determining distance on a coordinate plane
Answers: 1
image
Mathematics, 21.06.2019 19:30, Fdl52417
It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?
Answers: 1
image
Mathematics, 21.06.2019 21:20, only1123
Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74
Answers: 2
image
Mathematics, 22.06.2019 00:00, soccer816
The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?
Answers: 2
You know the right answer?
Efficiency experts study the processes used to manufacture items in order to make them as efficient...

Questions in other subjects:

Konu
English, 21.01.2021 22:00