subject
Mathematics, 20.06.2020 18:57 hardwick744

Using traditional methods it takes 98 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 120 students and observed that they had a mean of 96 hours. Assume the population variance is known to be 64. Is there evidence at the 0.05level that the technique reduces the training time?Step 1 of 6:State the null and alternative hypotheses.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.
Answers: 1
question
Mathematics, 21.06.2019 15:00
The triangles are similar. what is the value of x? show your work.
Answers: 2
question
Mathematics, 21.06.2019 20:00
The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square
Answers: 1
question
Mathematics, 21.06.2019 20:00
What are the domain and range of the function f(x)=2^x+1
Answers: 1
You know the right answer?
Using traditional methods it takes 98 hours to receive an advanced driving license. A new training t...
Questions
question
Mathematics, 11.02.2020 01:44
question
Mathematics, 11.02.2020 01:44
question
Chemistry, 11.02.2020 01:44
Questions on the website: 13722367