Question

1) People end up tossing 12% of what they buy at the grocery store.
Assume this is the true population proportion and that you plan to
take a sample survey of 540 grocery shoppers to further investigate
their behavior. Show the sampling distribution of *p*, the proportion of
groceries thrown out by your sample respondents. If required, round
your answer to four decimal places.

2) eBook

Twenty-two percent of primary care doctors think their patients receive unnecessary medical care. If required, round your answer to four decimal places.

(a) Suppose a sample of 300 primary care doctors was taken. Show the distribution of the sample proportion of doctors who think their patients receive unnecessary medical care.

np =

n(1-p) =

E(p) =

σ(p) =

(b) Suppose a sample of 500 primary care doctors was taken. Show the distribution of the sample proportion of doctors who think their patients receive unnecessary medical care.

np =

n(1-p) =

E(p) =

σ(p) =

(c) Suppose a sample of 1,000 primary care doctors was taken. Show the distribution of the sample proportion of doctors who think their patients receive unnecessary medical care.

np =

n(1-p) =

E(p) =

σ(p) =

Answer #1

thirty percent of primary care doctors think their patients
receive unnecessary medical care. If required, round your answer to
four decimal places. (a) Suppose a sample of 300 primary care
doctors was taken. Show the distribution of the sample proportion
of doctors who think their patients receive unnecessary medical
care. np = n(1-p) = E(p) = σ(p) = (b) Suppose a sample of 500
primary care doctors was taken. Show the distribution of the sample
proportion of doctors who think...

Forty percent of primary care doctors think their patients
receive unnecessary medical care. If required, round your answer to
four decimal places.
(a)
Suppose a sample of 300 primary care doctors was taken. Show
the distribution of the sample proportion of doctors who think
their patients receive unnecessary medical care.
np =
n(1-p) =
E(p) =
σ(p) =
(b)
Suppose a sample of 500 primary care doctors was taken. Show
the distribution of the sample proportion of doctors who think...

Thirty-two percent of primary care doctors think their patients
receive unnecessary medical care. If required, round your answer to
four decimal places.
(a)
Suppose a sample of 300 primary care doctors was taken. Show
the distribution of the sample proportion of doctors who think
their patients receive unnecessary medical care.
np =
n(1-p) =
E(p) =
σ(p) =
(b)
Suppose a sample of 500 primary care doctors was taken. Show
the distribution of the sample proportion of doctors who think...

Twenty-four percent of primary care doctors think their patients
receive unnecessary medical care. If required, round your answer to
four decimal places.
(a)
Suppose a sample of 300 primary care doctors was taken. Show
the distribution of the sample proportion of doctors who think
their patients receive unnecessary medical care.
np =
n(1-p) =
E(p) =
σ(p) =
(b)
Suppose a sample of 500 primary care doctors was taken. Show
the distribution of the sample proportion of doctors who think...

Twenty percent of primary care doctors think their patients
receive unnecessary medical care. If required, round your answer to
four decimal places.
(a)
Suppose a sample of 300 primary care doctors was taken. Show
the distribution of the sample proportion of doctors who think
their patients receive unnecessary medical care.
np =
n(1-p) =
E(p) =
σ(p) =
(b)
Suppose a sample of 500 primary care doctors was taken. Show
the distribution of the sample proportion of doctors who think...

. People end up tossing 10% of what they buy at the grocery
store. Assume this is the true population proportion and that you
plan to take a sample survey of 530 grocery shoppers to further
investigate their behavior. a. Show the sampling distribution of p
, the proportion of groceries thrown out by your sample
respondents. ) b. What is the probability that your survey will
provide a sample proportion within ±0.04 of the population
proportion? c. What is...

People end up tossing 12% of what they buy at the grocery store
(Reader's Digest, March 2009). Assume this is the true population
proportion and that you plan to take a sample survey of 540 grocery
shoppers to further investigate their behavior. Use z-table. Show
the sampling distribution of (), the proportion of groceries thrown
out by your sample respondents (to 4 decimals). p = 0.12 standard
error of the proportion σ( ) = What is the probability that your...

According to Reader's Digest, 48% of primary care
doctors think their patients receive unnecessary medical care.
Suppose a sample of
330 primary care doctors was taken. Show the sampling distribution
of the proportion of the doctors who think their patients receive
unnecessary medical care. Use z-table.
(to 4 decimals)
b.
What is the probability that the sample proportion will be within
of the population proportion. Round your answer to four
decimals.
c.
What is the probability that the sample proportion...

People end up tossing 12% of what they buy at the grocery
store. Assume this is the true population proportion and that you
plan to take a sample survey of 510 grocery shoppers to further
investigate their behavior.(a) What is the probability that your survey will provide a
sample proportion within ±0.03 of the population proportion? (Round
your answer to four decimal places.)(b) What is the probability that your survey will provide a
sample proportion within ±0.015 of the population...

People end up tossing 12% of what they buy at the grocery store
(Reader's Digest, March 2009). Assume this is the true population
proportion and that you plan to take a sample survey of 100 grocery
shoppers to further investigate their behavior. What is the
probability that the sample will provide a sample proportion within
±0.03 of the population proportion? Round intermediate calculations
to four decimal places if necessary. Express your answer as a
decimal rounded to four decimal places.

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