Question
In: Statistics and Probability
Show work please. The sample mean consumption of 16 Missouri men is 2610 kcal, with an...
Show work please.
The sample mean consumption of 16 Missouri men is 2610 kcal, with an estimated standard error of 175 kcal. Test the hypothesis that the mean is greater than the population mean consumption of US men of 2350.
Solutions
orchestra answered 1 year agoRelated Solutions
The foot size of each of 16 men was measured, resulting in the sample mean of...
The foot size of each of 16 men was measured, resulting in the
sample mean of 27.32 cm. Assume that the distribution of foot sizes
is normal with sigma = 1.2 cm.
a) Test if the population mean of men’s foot sizes is 28.0 cm
using alpha = 0.01.
b) If alpha = 0.01 is used, what is the probability of a type II
error when the population mean is 27.0 cm?
c) Find the sample size required to ensure...
Please show all work Suppose you randomly sample 49 cans and find the mean amount of...
Please show all work
Suppose you randomly sample 49 cans and find the mean amount of
Coke in this sample is 11.85 ounces and the standard deviation is
0.30 ounces.
Construct a 95% confidence interval estimate for the mean amount
of Coke in the all such cans.
A large national survey of American dietary habits showed a mean calorie consumption of 2700 kcal...
A large national survey of American dietary habits showed a mean
calorie consumption of 2700 kcal and a standard deviation of 450
kcal among teenage boys. You are studying dietary habits of
children in your county to see if they differ from the national
norm.
(a) In a sample of 36 teenage boys, you find a mean consumption of
2620 kcal. At = 0.05, is this significant evidence that the mean
in your county differs from the national mean?...
A large national survey of American dietary habits showed a mean calorie consumption of 2700 kcal...
A large national survey of American dietary habits showed a mean
calorie consumption of 2700 kcal and a standard deviation of 450
kcal among teenage boys. You are studying dietary habits of
children in your county to see if they differ from the national
norm. (a) In a sample of 36 teenage boys, you find a mean
consumption of 2620 kcal. At = 0.05, is this significant evidence
that the mean in your county differs from the national mean?...
Overweight Men For a random sample of 55 overweight men, the mean of the number of...
Overweight Men For a random sample of 55 overweight men, the
mean of the number of pounds that they were overweight was 29. The
standard deviation of the population is 4.4 pounds. (a) Find the
best point estimate of the mean. (b) Find the 95% confidence
interval of the mean of these pounds. (c) Find the 99% confidence
interval of the mean of these pounds. (d) Which interval is larger?
Why?
Show your work please Below are the results of a study. Through the sample of the...
Show your work please
Below are the results of a study. Through the sample of the
first 49 Super Bowls,
28 of them were won by teams in the National Football Conference
(NFC).
A 0.1% (1/10 of 1%) significance level was used to test the claim
that the probability of an
NFC team Super Bowl win is greater than one-half.
Confirm the results with a confidence interval.
a) What is the range of the confidence interval?
b) Does the confidence...
Answer & show work andswer and show work answer n show work Using a sample of...
Answer & show work
andswer and show work
answer n show work
Using a sample of 20 people, the testing agency found that 14 of
them had better protection than that provided by the competitor. Do
you have enough evidence to say/claom that your suncreen lotion
provides better protection than the competitiors in a majority of
cases? Use alpha = 0.01 to answer.
1. What are the apporiate hypotheses for situation?
2. the appropriate rejection rule is?
3. the calculated...
Please show work thank you! In a random sample of 519 judges, it was found that...
Please show work thank you!
In a random sample of 519 judges, it was found that 285 were
introverts.
a) Let p represent the proportion of all judges who are
introverts. Find a point estimate for p.
b) Find a 99% confidence interval for p. Give a brief
interpretation of the meaning of the confidence interval you have
found.
c) Do you think the confidence np > 5 and nq > 5 are
satisfied in this problem? Explain why this...
Show your work please A random sample of 20 aluminum cola cans is selected and the...
Show your work please
A random sample of 20 aluminum cola cans is selected and the
axial loads are measured and the variance is 345.96 lb. Use a 0.05
significance level to test the claim that cans have axial loads
with the smaller variance than 772.84 lb.
final answers
Hypothesis
Test Statistic
p-value
Decision
Conclusion
Compute the confidence interval for the difference of two population means. Show your work. Sample Mean...
Compute the confidence interval for the difference of two
population means. Show your work.
Sample Mean 1= 17
Population standard deviation 1= 15
n1= 144
Sample Mean 2= 26
Population Standard Deviation 2= 13
n2 = 121
Confidence Level= 99
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