Question
We surveyed some people about the ages of their pets and we got the following data....
We surveyed some people about the ages of their pets and we got the following data. We want you to construct the 96% confidence interval for the mean age of pets in Lake County in years for this data. 7, 4, 3, 11, 4, 2, 1, 3, 5, 6, 10, 15, 5, 4
Group of answer choices
Between 4.7723 and 6.7829
Between 4.7296 and 6.6523
Between 3.5892 and 7.8393
Between 5.0274 and 6.4573
Between 4.8792 and 8.1349
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
The following data is the results of a random sample of the ages (in years) of...
The following data is the results of a random sample of the ages
(in years) of 12 houses in a community: 18, 22, 23, 19, 18, 24, 26,
20, 17, 12, 27, 28. Assume the population is normal. Construct a
90% confidence interval for the mean age of a house in this
community. a) (18.8, 23.5) b) (18.7, 23.6) c) (18.9, 23.4) d)
(19.0, 23.3) 7. If you want to estimate the mean age of a house in
the community...
750 out of 2586 people surveyed are not saving for retirement. Use these data to construct...
750 out of 2586 people surveyed are not saving for retirement.
Use these data to construct a 90% confidence interval for the
percentage of people who are not saving for retirement. Also, find
the margin of error. Round your answers to 3 decimal places.
The following data refers to the ages (in years) and prices (in thousands of dollars) of...
The following data refers to the ages (in years) and prices (in
thousands of dollars) of a random sample of 10 cars.
age x (in years)
5
9
16
2
3
2
3
16
8
10
price y (in $000's)
10
19
10
45
45
55
34
12
15
12
where x is the age of the car (in years) and y is the selling
price (in thousands of dollars).
The 95% confidence interval for the average price of a...
Suppose you are a civil engineer, specializing in traffic volume control for the City of Grand...
Suppose you are a civil engineer, specializing in traffic volume
control for the City of Grand Rapids. Your department has been
receiving a multitude of complaints about traffic wait times for a
certain intersection in the heart of downtown. To see if these
claims are valid, you want to monitor the true average wait time at
that intersection. Over the course of a few months, you record the
average number of minutes a car waits at the intersection between
4:00...
The owner of a local golf course wants to estimate the difference between the average ages...
The owner of a local golf course wants to estimate the
difference between the average ages of males and females that play
on the golf course. He randomly samples 30 men and 26 women that
play on his course. He finds the average age of the men to be
49.844 with a standard deviation of 5.208. The average age of the
women was 35.237 with a standard deviation of 5.573. He uses this
information to calculate a 95% confidence interval...
The owner of a local golf course wants to estimate the difference between the average ages...
The owner of a local golf course wants to estimate the
difference between the average ages of males and females that play
on the golf course. He randomly samples 12 men and 10 women that
play on his course. He finds the average age of the men to be 30.81
with a standard deviation of 5.071. The average age of the women
was 46.19 with a standard deviation of 11.982. Construct a 95%
confidence interval to estimate the difference of...
The owner of a local golf course wants to estimate the difference between the average ages...
The owner of a local golf course wants to estimate the
difference between the average ages of males and females that play
on the golf course. He randomly samples 25 men and 28 women that
play on his course. He finds the average age of the men to be
36.105 with a standard deviation of 5.507. The average age of the
women was 48.973 with a standard deviation of 5.62. He uses this
information to calculate a 90% confidence interval...
Random samples of people ages 15−24 and of people ages 25−34 were asked about their preferred...
Random samples of people ages 15−24 and of people ages 25−34
were asked about their preferred method of (remote) communication
with friends. The respondents were asked to select one of the
methods from the following list: cell phone, instant message,
e-mail, other.
Preferred
Communication Method
Age
Cell
Phone
Instant
Message
Email
Other
Row
Total
15-24
42
45
7
6
100
25-34
45
26
15
14
100
Column
Total
87
71
22
20
200
(i) Make a cluster bar graph showing...
A researcher surveyed 12 men who lost their fathers earlier in their lives. His survey included the...
A researcher surveyed 12 men who lost their fathers earlier in
their lives. His survey included the age of the subjects
when their fathers died and their confidence that they would
someday be happily married themselves (100 point scale – higher
score = more confidence). The results are shown
below.
Mx=15 My =60
SSx=348 SSy=5198
SPxy=933
Age
Confidence Rating
12
34
8
30
11
89
21
69
15
55
7
38
18
78
23
66
22
89
19
79
9
35
15...
4) A financial planner was interested to know what proportion of people aged 25 – 35...
4) A financial planner was interested to know what proportion of
people aged 25 – 35 were making regular contributions to an RRSP. A
random sample of 360 people in this age group was asked if they are
contributing to an RRSP, and only 140 people replied that they were
in fact contributing to one. Based on the sample data, construct a
94% confidence interval estimate for the proportion of this age
group contributing to an RRSP. Keep 3 decimal...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 2 minutes ago
asked 15 minutes ago
asked 32 minutes ago
asked 47 minutes ago
asked 58 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago