Mathematics, 15.07.2020 03:01 vc0620120

The Department of Transportation would like to test the hypothesis that the average age of cars on the road is less than 12 years. A random sample of 45 cars had an average age of 10.6 years. It is believed that the population standard deviation for the age of cars is 4.1 years. The Department of Transportation would like to set α = 0.05. The conclusion for this hypothesis test would be that because the test statistic is .

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:30, amir6658

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Answers: 1

continue

Mathematics, 21.06.2019 19:00, mia53408

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Answers: 3

continue

Mathematics, 21.06.2019 21:00, GreenHerbz206

Solving algebraic equations 2m+3=11

Answers: 2

continue

Mathematics, 21.06.2019 21:30, jabezslade22

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

Answers: 1

continue

You know the right answer?

The Department of Transportation would like to test the hypothesis that the average age of cars on t...