Mathematics, 05.05.2020 01:55, bxbysoso
The amount of time it takes a mechanic to rebuild the transmission for a 2015 Cavalier car is being studied. A random sample of 36 mechanics who rebuild that transmission has a sample mean of 8.7 hours with a sample standard deviation of 2.1 hours. Construct a 90% confidence interval of the population mean time it takes a mechanic to rebuild the transmission. State the requirements, find the confidence interval to 2 decimal places, write a sentence that correctly interprets the confidence interval.
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 16:30, rleiphart1
If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.
Answers: 1
Mathematics, 21.06.2019 17:30, cocothunder635
The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest
Answers: 3
Mathematics, 21.06.2019 19:30, Flaka2809
Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
Answers: 1
Do you know the correct answer?
The amount of time it takes a mechanic to rebuild the transmission for a 2015 Cavalier car is being...
Questions in other subjects:
English, 12.04.2021 20:20
Social Studies, 12.04.2021 20:20
Mathematics, 12.04.2021 20:20
