subject
Mathematics, 20.04.2021 20:00 maxwellirowa10oy9yaf

A bolt manufacturer is concerned about he consistency with which his machine produces bolts. The bolts should be 0.22 cm in diameter. The variance of the bolts should be 0.03 cm. A random sample of 19 bolts has an average diameter of 0.21 cm with a standard deviation of 0.2835 cm. The manufacturer wants to test whether the bolts vary by more than the required variance at a level of significance of 0.05. Which distribution should be used for this hypothesis test

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?
Answers: 1
question
Mathematics, 21.06.2019 16:50
Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0
Answers: 1
question
Mathematics, 21.06.2019 17:10
The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.
Answers: 1
question
Mathematics, 21.06.2019 21:40
Drag the tiles to the correct boxes to complete the pairs. using the properties of integer exponents, match each expression with the correct equivalent expression.
Answers: 1
You know the right answer?
A bolt manufacturer is concerned about he consistency with which his machine produces bolts. The bol...
Questions
question
Mathematics, 04.10.2020 03:01
question
Spanish, 04.10.2020 03:01
question
Mathematics, 04.10.2020 03:01
question
Mathematics, 04.10.2020 03:01
question
Physics, 04.10.2020 03:01
Questions on the website: 13722363