subject
Mathematics, 17.03.2021 23:50 AvantiA

A factory that manufactures bolts is performing a quality control experiment. Each object should have a length of no more than 19 centimeters. The factory believes that the length of the bolts exceeds this value and measures the length of 56 bolts. The sample mean bolt length was 19.09 centimeters. The population standard deviation is known to be σ=0.27 centimeters. What is the test statistic z?

What is the p-value?

Does sufficient evidence exist that the length of bolts is actually greater than the mean value at a significance level of ∝=0.01?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
According to the data set, where should the upper quartile line of the box plot be placed?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0
Answers: 2
question
Mathematics, 21.06.2019 20:30
1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?
Answers: 1
question
Mathematics, 21.06.2019 22:30
Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.
Answers: 1
You know the right answer?
A factory that manufactures bolts is performing a quality control experiment. Each object should hav...
Questions
question
Mathematics, 17.10.2020 07:01
question
Mathematics, 17.10.2020 07:01
question
Mathematics, 17.10.2020 07:01
Questions on the website: 13722362