subject
Mathematics, 10.03.2021 01:00 retros133

In November, a group of randomly selected adults were surveyed and asked if they expected to spend more money on vacation travel this year. Those surveyed were asked to respond with yes or no. From the sample data, the resulting 95% confidence interval for answering yes was (.09, .15). Which of the following is not true of the interval? 1. it is safe to assume that less than 20% of adults expect to spend more this year.

2. the margin of error for the interval is 6%

3. the critical values used were ± 1.96

4. in our sample, 12 % of adults said they expected to spend more

5. we expect that about 95 out of 100 such samples will capture the true proportion of adults expecting to spend more this year.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:02
The perimeter of a square is80-64y units. which expression can be used to show the side length of one side of the square?
Answers: 1
question
Mathematics, 21.06.2019 18:40
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
question
Mathematics, 21.06.2019 23:40
Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder
Answers: 1
question
Mathematics, 22.06.2019 01:00
Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?
Answers: 1
You know the right answer?
In November, a group of randomly selected adults were surveyed and asked if they expected to spend m...
Questions
question
English, 06.10.2019 17:10
Questions on the website: 13722362