subject
Mathematics, 27.04.2021 15:30 cheatcodeb

The diameter of a spindle in a small motor is supposed to be 4.1 millimeters (mm) with a standard deviation of 0.1 mm. If the spindle is either too small or too large, the motor will not work properly. The manufacturer measures the diameter in a sample of 41 spindles to determine whether the mean diameter has moved away from the required measurement. Suppose the sample has an average diameter of 4.01 mm. Required:
What are the null and alternative hypotheses?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 20:30
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 1
question
Mathematics, 21.06.2019 21:00
Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z
Answers: 1
question
Mathematics, 21.06.2019 21:30
Nine people are going to share a 128-ounces bottle of soda. how many ounces will each person get drink? choose the correct equation and answer for this situation
Answers: 1
question
Mathematics, 22.06.2019 00:10
Which of these would have been most likely to have been a carpetbagger during the reconstruction era? a) a new york businessman who relocated to mississippi b) a former slave who was able to buy land in birmingham c) a carolina-born politician who supported the democratic d) a former confederate officer who owned a farm in memphis eliminate
Answers: 1
You know the right answer?
The diameter of a spindle in a small motor is supposed to be 4.1 millimeters (mm) with a standard de...
Questions
question
Mathematics, 24.07.2019 12:00