Mathematics, 02.06.2021 20:00 dlow4974
Using traditional methods it takes 99 hours to receive an advanced driving license. A new training technique using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique on 190 students and observed that they had a mean of 98 hours. Assume the population variance is known to be 49. Is there evidence at the 0.05 level that the technique reduces the training time?
State the null and alternative hypotheses.
Find the value of the test statistic. Round your answer to two decimal places
Answers: 1
Mathematics, 21.06.2019 23:20
Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?
Answers: 2
Mathematics, 21.06.2019 23:50
Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before
Answers: 2
Mathematics, 22.06.2019 04:00
Acollege student takes out a $7500 loan from a bank. what will the balance of the loan be after one year(assuming the student has not made any payments yet) a. if bank charges 3.8% interest each year ?
Answers: 1
Mathematics, 22.06.2019 05:20
What is the solution to this system of linear equations? 2x + 3y = 3 tx-3y= 24
Answers: 1
Using traditional methods it takes 99 hours to receive an advanced driving license. A new training t...
Mathematics, 03.11.2019 20:31
English, 03.11.2019 20:31
English, 03.11.2019 20:31
Mathematics, 03.11.2019 20:31
English, 03.11.2019 20:31
Computers and Technology, 03.11.2019 20:31
Mathematics, 03.11.2019 20:31
Chemistry, 03.11.2019 20:31
Mathematics, 03.11.2019 20:31