a. Check all of the requirements that are satisfied. O random the distribution is normal since n ≥ 30 the distribution is normal since the x distribution is normal Othep distribution is normal since np > 10 and nq ≥ 10 b. Identify the null and alternative hypotheses. Ho: Select an answer H₁: Select an answer ?♥ ?♥ c. What type of hypothesis test should you conduct (left, right, or two-tailed)? left-tailed

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A food distribution company claims that a fast food restaurant chain receives, on average, 26 pounds of
meat on a daily basis. The district manager of the restaurant chain decides to randomly sample 40
shipments from the company and finds a mean weight of 24.8 pounds with a standard deviation of 4
pounds. Test at a 5% level of significance to determine whether or not the food distribution company sends
less than they claim.
a. Check all of the requirements that are satisfied.
O random
O the
distribution is normal since n ≥ 30
O the
distribution is normal since the x distribution is normal
the distribution is normal since np ≥ 10 and nq ≥ 10
b. Identify the null and alternative hypotheses.
Ho: Select an answer
H₁: Select an answer
? ♥
? ♥
c. What type of hypothesis test should you conduct (left, right, or two-tailed)?
Ⓒleft-tailed
Oright-tailed
two-tailed
d. Identify the appropriate significance level. Make sure to enter your answer as a decimal.
e. Which calculator function should you use? [Select an answer
f. Find the test statistic. Write the result below, and be sure to round your final answer to two decimal
places.
g. Find the p-value. Enter your answer as a decimal (not a percentage) and round to 4 decimal places.
Transcribed Image Text:A food distribution company claims that a fast food restaurant chain receives, on average, 26 pounds of meat on a daily basis. The district manager of the restaurant chain decides to randomly sample 40 shipments from the company and finds a mean weight of 24.8 pounds with a standard deviation of 4 pounds. Test at a 5% level of significance to determine whether or not the food distribution company sends less than they claim. a. Check all of the requirements that are satisfied. O random O the distribution is normal since n ≥ 30 O the distribution is normal since the x distribution is normal the distribution is normal since np ≥ 10 and nq ≥ 10 b. Identify the null and alternative hypotheses. Ho: Select an answer H₁: Select an answer ? ♥ ? ♥ c. What type of hypothesis test should you conduct (left, right, or two-tailed)? Ⓒleft-tailed Oright-tailed two-tailed d. Identify the appropriate significance level. Make sure to enter your answer as a decimal. e. Which calculator function should you use? [Select an answer f. Find the test statistic. Write the result below, and be sure to round your final answer to two decimal places. g. Find the p-value. Enter your answer as a decimal (not a percentage) and round to 4 decimal places.
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