Mathematics, 21.02.2020 23:50 brenda0014

Two well-known aviation training schools are being compared using random samples of their graduates. It is found that 70 of 140 graduates of Fly-More Academy passed their FAA exams on the first try, compared with 104 of 260 graduates of Blue Yonder Institute.
a. To compare the pass rates, what would be the pooled proportion?

b. What is the test statistic?

c. Find the critical value for a right-tailed test at ? = .05.

d. Find the p-value.

d. What is your decision regarding the null hypothesis?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 21:40

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units

Answers: 2

Answer

Mathematics, 21.06.2019 23:10

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Answers: 2

Answer

Mathematics, 22.06.2019 00:30

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Answers: 2

Answer

Mathematics, 22.06.2019 00:30

On her first stroke, maya hit a golf ball 146 yards, 2 feet, 11 inches. on her second stroke, she hit it 163 yards, 1 foot, 2 inches. how far did the ball go all together? convert the answer to larger units whenever possible.

Answers: 2

Answer

You know the right answer?

Two well-known aviation training schools are being compared using random samples of their graduates....

Questions