Mathematics, 20.07.2019 03:20 leshayk91

The local oil changing business is very busy on saturday mornings and is considering expanding. a national study of similar businesses reported the mean number of customers waiting to have their oil changed on saturday morning is 3.6. suppose the local oil changing business owner, wants to perform a hypothesis test. the null hypothesis is the population mean is 3.6 and the alternative hypothesis that the population mean is not equal to 3.6. the owner takes a random sample of 16 saturday mornings during the past year and determines the sample mean is 4.2 and the sample standard deviation is 1.4. it can be assumed that the population is normally distributed. the observed "t" value for this problem is

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:00, jannaleigh

Jackie bought a bag of oranges. she used 3/8 of the oranges to make orange juice. she used 1/3 of the oranges to make a fruit salad. she put 1/8 of the oranges in a bowl on the table. she put 2/12 of the oranges in the refrigerator. a) jackie left more oranges on the table than she put in the refrigerator. b) jackie used fewer oranges to make orange juice than she left on the table. c) jackie put fewer oranges in the refrigerator than she used to make the fruit salad. eliminate d) jackie used more oranges to make a fruit salad than she used to make orange juice.

Answers: 1

continue

Mathematics, 21.06.2019 15:10, xxaurorabluexx

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Answers: 1

continue

Mathematics, 21.06.2019 19:30, woodfordmaliky

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement

Answers: 1

continue

Mathematics, 21.06.2019 20:30, tyrique86

Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0

Answers: 1

continue

You know the right answer?

The local oil changing business is very busy on saturday mornings and is considering expanding. a na...