Question

The mean number of pets per household is 3.13 with standard deviation 1.8. A sampleof 35...

The mean number of pets per household is 3.13 with standard deviation 1.8. A sampleof 35 households is drawn. Find the 14th percentile of the sample mean.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
In 2010, the mean for the number of pets owned per household was 1.9. A poll...
In 2010, the mean for the number of pets owned per household was 1.9. A poll of 1023 households conducted this year reported the mean for the number of pets owned per household to be 1.8. Assuming sigma = 1.1, is there sufficient evidence to support the claim that the mean number of pets owned has changed since 2010 at the alpha = 0.1 level of significance?
According to the Census Bureau, 3.13 people reside in the typical American household. A sample of...
According to the Census Bureau, 3.13 people reside in the typical American household. A sample of 25 households in Arizona retirement communities showed the mean number of residents per household was 2.86 residents. The standard deviation of this sample was 1.20 residents. At the .05 significance level, is it reasonable to conclude the mean number of residents in the retirement community household is less than 3.13 persons? Use the 5-step process; show your work.
Documents show that in 1940 the average household size with 3.29 people with a standard deviation...
Documents show that in 1940 the average household size with 3.29 people with a standard deviation of 1.20 people. In 2019 a sample of 25 households In Richmond Virginia showed the mean number of residents per household with 3.91. At the 0.1 significance level is it reasonable to conclude that the mean number of residents in Richmond Virginia today is different from the typical American household in 1940? a. in the above problem the critical values are... b. compute the...
Suppose the household incomes for Kamloops are normally distributed with mean $62,000 and standard deviation $6,800....
Suppose the household incomes for Kamloops are normally distributed with mean $62,000 and standard deviation $6,800. a) If 50 households are randomly selected, find the probability that their mean household income is below $64,000. b) If households with the bottom 20% of incomes qualify for a special tax cut, what is the maximum income required to qualify for the tax cut?
A statistician is trying to estimate the average number of members per household in a given...
A statistician is trying to estimate the average number of members per household in a given city. He selected a random neighborhood in the city with 79 households and found that the sample average equals to 4.1 members. Assuming that the standard deviation is known to be 1.96 members from previous years’ published statistics, what is the lower limit of a 95% two sided confidence interval constructed to estimate the mean of number of members per household in the city?
A sample of size 35 will be drawn from a population with mean 43 and standard...
A sample of size 35 will be drawn from a population with mean 43 and standard deviation 10. a) is it appropriate to use normal distribution to find probability? b) find the probability that x will be between 44 and 45. Round to at least 4 decimal places. c) find the 37th percentile of x. round to at least two decimal places.
For the past several years, the mean number of people in a household has been declining....
For the past several years, the mean number of people in a household has been declining. A social scientist believes that in a certain large city, the mean number of people per household is less than 2.5. To investigate this, she takes a simple random sample of 250 households in the city, and finds that the sample mean number of people is 2.3 with a sample standard deviation of 1.3. Can you conclude that the mean number of people per...
A sample of households shows the following statistics about household income: Mean: 60000 Standard Deviation: 5000...
A sample of households shows the following statistics about household income: Mean: 60000 Standard Deviation: 5000 Sample Size: 10 At the 80% confidence level, what is the upper limit for the confidence interval formed with these values? Round to 2 decimal places.
A sample of size 15will be drawn from a population with mean 135 and standard deviation...
A sample of size 15will be drawn from a population with mean 135 and standard deviation 36 . (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) If appropriate find the probability that X will be less than 118 . (c) If appropriate find the 90th  percentile of x A sample of size 15will be drawn from a population with mean 135 and standard deviation 36 . (a) Is it appropriate to use the normal...
The mean consumption of water per household in a city was 1238 cubic feet per month....
The mean consumption of water per household in a city was 1238 cubic feet per month. Due to a water shortage because of a drought, the city council campaigned for water use conservation by households. A few months after the campaign was started, the mean consumption of water for a sample of 96 households was found to be 1153 cubic feet per month. The population standard deviation is given to be 261 cubic feet. a. Find the p-value for the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT