Question

Suppose a simple random sample of size n+75 is obtained from a population whose size is N=10,000 and whose population proportion with a specified characteristic is p= 0.6 . Complete parts (a) through (c) below.

(a) Describe the sampling distribution of p^. Choose the phrase that best describes the shape of the sampling distribution below.

A.) Not normal because n<_ 0.05N and np(1-p)<10.

B.) Approximately normal because n<_0.05N and np(1-p)>_10.

C). Not normal because n<_0.05N and np(1 -p)>_10.

D). Approximately normal because n<_ 0.05N and np(1-p)< 10.

Determine the mean of the sampling distribution of p^.

μ^p=_______

(Round to one decimal place as needed.)

Determine the standard deviation of the sampling distribution of p^

σ^p=______

(Round to six decimal places as needed.)

(b) What is the probability of obtaining x=48 or more individuals with the characteristic? That is, what is

P(p^>_0.64)=

(Round to four decimal places as needed.)

(c) What is the probability of obtaining x=36 or fewer individuals with the characteristic? That is, what is P((p^<_0.48)=____

Answer #1

Suppose a simple random sample of size nequals150 is obtained
from a population whose size is Upper N equals 15 comma 000 and
whose population proportion with a specified characteristic is p
equals 0.8 . Complete parts (a) through (c) below. (a) Describe
the sampling distribution of ModifyingAbove p with caret. Choose
the phrase that best describes the shape of the sampling
distribution below. A. Approximately normal because n less than or
equals 0.05 Upper N and np left parenthesis...

Suppose a simple random sample of size nequals50 is obtained
from a population whose size is Upper N equals 15 comma 000 and
whose population proportion with a specified characteristic is p
equals 0.6 . Complete parts (a) through (c) below. (a) Describe
the sampling distribution of ModifyingAbove p with caret. Choose
the phrase that best describes the shape of the sampling
distribution below. A. Approximately normal because n less than or
equals 0.05 Upper N and np left parenthesis...

Suppose a simple random sample of size n is obtained from a
population whose size is N and whose population proportion with a
specified characteristic is Complete parts (a) through (c) below. =
1000 = 2,000,000 p = 0.25. Click here to view the standard normal
distribution table (page 1).7 Click here to view the standard
normal distribution table (page 2).8 (a) Describe the sampling
distribution of p. A. Approximately normal, μ and p = 0.25 σ p ≈
0.0137...

Suppose a simple random sample of size n=200 is obtained from a
population whose size is N=10,000 and whose population proportion
with a specified characteristic is p=0.6.
Complete parts (a) through
(c) below.
(a) Describe the sampling distribution of
ModifyingAbove p with caretp.
Determine the mean of the sampling distribution of
ModifyingAbove p with caretp.
mu Subscript ModifyingAbove p with caret equals
μp=___
(Round to one decimal place as needed.)
Determine the standard deviation of the sampling distribution
of
sigma...

Suppose a simple random sample of size n=75 is obtained from a
population whose size is N= 25,000
and whose population proportion with a specified characteristic
is p=0.2.
(c) What is the probability of obtaining x=99
or fewer individuals with the characteristic? That is, what
is
P(p ≤ 0.12)?
(Round to four decimal places as needed.)

Suppose a simple random sample of size n equals1000 is obtained
from a population whose size is N equals1 comma 000 comma 000 and
whose population proportion with a specified characteristic is p
equals 0.31 . Complete parts (a) through (c) below.
(a) Describe the sampling distribution of Modifying Above p
with caret.
A. Approximately normal, mu Subscript Modifying Above p with
caret equals 0.31 and sigma Subscript Modifying Above p with caret
almost equals 0.0005
B. Approximately normal, mu...

Suppose a simple random sample of size nequals1000 is obtained
from a population whose size is Nequals2 comma 000 comma 000 and
whose population proportion with a specified characteristic is p
equals 0.44 . Complete parts (a) through (c) below. (a) Describe
the sampling distribution of ModifyingAbove p with caret.
A. Approximately normal, mu Subscript ModifyingAbove p with
caretequals0.44 and sigma Subscript ModifyingAbove p with
caretalmost equals0.0004
B. Approximately normal, mu Subscript ModifyingAbove p with
caretequals0.44 and sigma Subscript ModifyingAbove...

Suppose a simple random sample of size n=200 is obtained from a
population whose size is N = 20000
and whose population proportion with a specified characteristic
is p equals 0.8.
(a) Describe the sampling distribution of
Determine the mean of the sampling distribution
Determine the standard deviation of the sampling
distribution
(b) What is the probability of obtaining x= 168or more
individuals with the characteristic? That is, what is P(p greater
than or equal to 0.84?
(c) What is...

Suppose a simple random sample of size n=1000 is obtained from a
population whose size is N=1,500,000 and whose population
proportion with a specified characteristic is p=0.55 .
a) What is the probability of obtaining x=580 or more
individuals with the characteristic?
P(x ≥ 580) = (Round to four decimal places as
needed.)
(b) What is the probability of obtaining x=530 or fewer
individuals with the characteristic?
P(x ≤ 530) = (Round to four decimal places as
needed.)

Suppose a simple random sample of size nequals=75 is obtained
from a population whose size is Upper N equals N=25,000 and whose
population proportion with a specified characteristic is p equals
0.6
1. Describe the sampling distribution of p hat
2. Determine the mean of the sampling distribution
3. Determine the standard deviation of the sampling
distribution
4. What is the probability of obtaining xequals=48 or more
individuals with the characteristic? That is, what is
P(ModifyingAbove p with caretpgreater than or...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 13 minutes ago

asked 14 minutes ago

asked 15 minutes ago

asked 56 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago