Question

Im
1948, an organization surveyed 100 adults and asked “Are you a
total abstainer from, or do you on occasion consume, alcoholic
beverages?” Of the 1100 adults surveyed, 396 indicated that they
were total abstainers. In a recent survey, the same question was
asked if 1100 adults and 319 indicated that they were toral
abstainers. Complete parts A-D, though I only have A’s question.

(a) Determine the sample proportion for each sample.

The proportions of the adults who took the 1948 survey and the
recent survey who were total abstainers are ? and ? ,
respectively.

round three decimal places as needed.

Answer #1

Let , : Proportion of of the adults who took the 1948 survey who were total abstainers .

and : Proportion of of the adults who took the 1948 survey who were total abstainers .

Therefore ,

and ,

Therefore ,

The proportions of the adults who took the 1948 survey and the recent survey who were total abstainers are 0.36 and 0.29 respectively.

( Where is the part A-D ??)

In 1947, an organization surveyed 1100 adults and asked, "Are
you a total abstainer from, or do you on occasion consume,
alcoholic beverages?" Of the 1100 adults surveyed, 363 indicated
that they were total abstainers. In a recent survey, the same
question was asked of 1100 adults and 308 indicated that they were
total abstainers.
(a) Determine the sample proportion for each
sample.
The proportions of the adults who took the 1947 survey and the
recent survey who were total...

In 1947, an organization surveyed 1100 adults and asked, "Are
you a total abstainer from, or do you on occasion consume,
alcoholic beverages?" Of the 1100 adults surveyed, 363 indicated
that they were total abstainers. In a recent survey, the same
question was asked of 1100 adults and 319 indicated that they were
total abstainers. Use the α =0.01 level of significance.
1) Find the test statistic for this hypothesis test.
2) Determine the P-value for this hypothesis test.

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alcoholic beverages?" Of the 1100 adults surveyed, 440 indicated
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Let p1 represent the population proportion of 1942 adults who
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was asked of 1 comma 100 adults and 435 indicated that they were
total abstainers. Has the proportion of adults who totally abstain
from alcohol changed? Use the alpha equals 0.01 level of
significance. The test statistic...

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a total abstainer from, or do you on occasion consume, alcoholic
beverages?" Of the 1 comma 100 adults surveyed, 362 indicated that
they were total abstainers. Sixty years later, the same question
was asked of 1 comma 100 adults and 410 indicated that they were
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255
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