subject
Mathematics, 27.01.2020 17:31 222364

The following information is obtained from two independent samples selected from two normally distributed populations.
n1 = 18 x1 = 7.82 σ1 = 2.35
n2 =15 x2 =5.99 σ2 =3.17
a. what is the point estimate of μ1 − μ2? round to two decimal places.
b. construct a 99% confidence interval for μ1 − μ2. find the margin of error for this estimate.
round to two decimal places.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis
Answers: 2
question
Mathematics, 21.06.2019 17:30
If jaime wants to find 60% of 320, which table should he use?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π
Answers: 1
question
Mathematics, 21.06.2019 20:30
Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left
Answers: 1
You know the right answer?
The following information is obtained from two independent samples selected from two normally distri...
Questions
question
Health, 04.03.2021 01:00
question
Mathematics, 04.03.2021 01:00
question
Arts, 04.03.2021 01:00
question
Mathematics, 04.03.2021 01:00
question
Mathematics, 04.03.2021 01:00