In: Statistics and Probability

Given two independent random samples with the following results: n1=376 p1=0.75 n2=546 p2=.85.Can it be concluded that the proportion found in Population 2 exceeds the proportion found in Population 1? Use a significance level of α=0.05 α = 0.05 for the test.

Step 1: State the null and alternative hypothesis for the test.

Step 2: Compute the value of the test statistic.

Step 3: Find the p-value associated with the test statistic.

Step 4: Find p-value for hypothesis test.

Step 5: Conclusion.

Given two independent random samples with the following
results:
n1 463 n2 295
p1 0.77 p2 0.89
Use this data to find
the 99%99% confidence interval for the true difference between the
population proportions.
Step 1 of 3:
Find the critical
value that should be used in constructing the confidence
interval.
Step 2 of 3:
Find the value of the
standard error. Round your answer to three decimal places.
Step 3 of 3:
Construct the 99%
confidence interval. Round your...

Given two independent random samples with the following
results:
n1=350 n2=475
p1=0.55 p2=0.68
Can it be concluded that the proportion found in Population 2
exceeds the proportion found in Population 1? Use a significance
level of α=0.05 for the test. Step 1 of 5 : State the null and
alternative hypotheses for the test.
State the null and alternative hypotheses for the test
Find the values of the two sample proportions, pˆ1 and pˆ2.
Round to 3 decimal places
Compute...

Given two independent random samples with the following
results:
n1=344 n2=480
p1=0.43 p2=0.63
Can it be concluded that the proportion found in Population 2
exceeds the proportion found in Population 1? Use a significance
level of α=0.01for the test.
Step 1 of 5: State the null and alternative hypotheses for the
test.
Step 2 of 5: Compute the weighted estimate of p, p‾‾ Round your
answer to three decimal places.
Step 3 of 5: Compute the value of the test...

Given two independent random samples with the following
results:
n1=586......n2=404
x1=161.....x2=68
Can it be concluded that there is a difference between the two
population proportions? Use a significance level of α=0.05 for the
test.
Step 1 of 6: State the null and alternative hypotheses for the
test.
Step 2 of 6: Find the values of the two sample proportions, pˆ1
and pˆ2. Round your answers to three decimal places.
Step 3 of 6: Compute the weighted estimate of p, p‾‾....

Given two independent random samples with the following
results:
n1=122
n2=329
x1=43
x2=89
Can it be concluded that there is a difference between the two
population proportions? Use a significance level of α=0.1α=0.1 for
the test.
Step 5 of 6 :
Find the P-value for the hypothesis test. Round your answer to
four decimal places.
CORRECT ANSWER: P= 0.0930
CORRECT ANSWER: P= 0.0930
CORRECT ANSWER: P= 0.0930
CORRECT ANSWER: P= 0.0930
CORRECT ANSWER: P= 0.0930

NEED ASAP
Given two independent random samples with the following
results:
n1=195
x1=30
n2=408
x2=144
Can it be concluded that there is a difference between the two
population proportions? Use a significance level of α=0.02 for the
test.
Step 1 of 6:
State the null and alternative hypotheses for the test.
Step 2 of 6:
Find the values of the two sample proportions, pˆ1 and pˆ2.
Round your answers to three decimal places.
Step 3 of 6:
Compute the weighted...

Consider two independent random samples with the following
results: n1 =653 x1 =355 n2 =597 x2 =201 Use this data to find
the 90% confidence interval for the true difference between the
population proportions. Copy Data Step 1 of 3 : Find the point
estimate that should be used in constructing the confidence
interval. Round your answer to three decimal places.

Given two independent random samples with the following
results:
n1=233 pˆ1=0.63
n2=435 pˆ2=0.76
Use this data to find the 95% confidence interval for the true
difference between the population proportions.
Step 1 of 3: Find the critical value that should be used in
constructing the confidence interval.
Step 2 of 3: Find the value of the standard error. Round your
answer to three decimal places.
Step 3 of 3: Construct the 95% confidence interval. Round your
answers to three decimal...

Given two independent random samples with the following results:
n1=590, pˆ1=0.85, n2=414, pˆ2=0.59
Use this data to find the 99% confidence interval for the true
difference between the population proportions.
Step 1 of 3:
Find the critical value that should be used in constructing the
confidence interval.
Step 2 of 3:
Find the value of the standard error. Round your answer to three
decimal places.
Step 3 of 3:
Construct the 99% confidence interval. Round your answers to
three decimal...

Given two independent random samples with the following results:
n1x1=428=270 n2x2=251=135
Can it be concluded that there is a difference between the two
population proportions? Use a significance level of α=0.05 for the
test.
Step 1 of 6: State the null and alternative hypotheses for the
test.

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