Question
In: Statistics and Probability
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 401401 gram setting. It is believed that the machine is overfilling the bags. A 4242 bag sample had a mean of 408408 grams. Assume the population standard deviation is known to be 2121. Is there sufficient evidence at the 0.050.05 level that the bags are overfilled?
Step 1 of 6: State the null and alternative hypotheses.
Step 2 of 6: Find the value of the test statistic. Round your answer to two decimal places.
Step 3 of 6: Specify if the test is one-tailed or two-tailed.
Step 4 of 6: Find the P-value of the test statistic. Round your answer to four decimal places.
Step 5 of 6: Identify the level of significance for the hypothesis test.
Step 6 of 6: Make the decision to reject or fail to reject the null hypothesis.
Solutions
orchestra answered 1 year agoRelated Solutions
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 409 gram setting. Based
on a 21 bag sample where the mean is 417 grams and the standard
deviation is 26, is there sufficient evidence at the 0.1 level that
the bags are overfilled? Assume the population distribution is
approximately normal.
Step 1 of 5:
State the null and alternative hypotheses.
Step 2 of 5:
Find the value of the test statistic....
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 410.0 gram setting.
Based on a 46 bag sample where the mean is 408.0 grams, is there
sufficient evidence at the 0.1 level that the bags are underfilled?
Assume the standard deviation is known to be 20.0.
Step one: Enter the hypotheses:
H0:
Ha:
Step two: Enter the value of the z test statistic. Round
your answer to two decimal places.
Step...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of
potato chips would like to know whether its bag filling machine
works correctly at the 429.0 gram setting. It is believed that the
machine is underfilling the bags. A 4040 bag sample had a mean of
425.0 grams. A level of significance of 0.02 will be used.
Determine the decision rule. Assume the standard deviation is known
to be 11.0.
Enter the decision
rule.
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 445-gram setting. It is
believed that the machine is underfilling the bags. A 26 bag sample
had a mean of 438 grams with a variance of 289. Assume the
population is normally distributed. A level of significance of
0.010.01 will be used. Find the P-value of the test statistic. You
may write the P-value as a range using interval notation, or as...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 444 gram setting. It is
believed that the machine is underfilling the bags. A 39 bag sample
had a mean of 436 grams. Assume the population standard deviation
is known to be 19. Is there sufficient evidence at the 0.01 level
that the bags are underfilled?
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 445 gram setting. It is
believed that the machine is underfilling the bags. A 34 bag sample
had a mean of 443 grams. Assume the population standard deviation
is known to be 30. A level of significance of 0.05 will be used.
Find the P-value of the test statistic. You may write the P-value
as a range using interval notation, or as...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 443443 gram setting. It
is believed that the machine is underfilling the bags. A 1515 bag
sample had a mean of 434434 grams with a standard deviation of
1717. A level of significance of 0.10.1 will be used. Assume the
population distribution is approximately normal. Determine the
decision rule for rejecting the null hypothesis. Round your answer
to three decimal places.
Reject...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 430 gram setting. It is
believed that the machine is underfilling the bags. A 24 bag sample
had a mean of 427 grams with a standard deviation of 15. Assume the
population is normally distributed. A level of significance of 0.02
will be used. Specify the type of hypothesis test.
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 410.0 gram setting. It
is believed that the machine is underfilling the bags. A 35 bag
sample had a mean of 404.0 grams. A level of significance of 0.01
will be used. Is there sufficient evidence to support the claim
that the bags are underfilled? Assume the standard deviation is
known to be 28.0.
What is the conclusion?
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its
bag filling machine works correctly at the 406 gram setting. It is
believed that the machine is underfilling the bags. A 42 bag sample
had a mean of 397 grams. Assume the population standard deviation
is known to be 27. Is there sufficient evidence at the 0.02 level
that the bags are underfilled?
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