subject
Mathematics, 29.05.2021 16:30 natashathomas8774

In the past, the mean running time for a certain type of flashlight has been 9.2 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has increased as a result. They hypotheses are as follows. Explain a type 2 error.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 20:20
Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?
Answers: 1
question
Mathematics, 21.06.2019 20:30
In the diagram of circle o, what is the measure of zabc?
Answers: 2
question
Mathematics, 21.06.2019 23:10
12 3 4 5 6 7 8 9 10time remaining01: 24: 54which graph represents this system? y=1/2x + 3 y= 3/2x -1
Answers: 1
question
Mathematics, 22.06.2019 02:00
Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white
Answers: 1
You know the right answer?
In the past, the mean running time for a certain type of flashlight has been 9.2 hours. The manufact...
Questions
question
History, 23.03.2020 19:27