Question
In: Math
Suppose 56% of the population has a college degree. If a random sample of size 503...
Suppose 56% of the population has a college degree. If a random sample of size 503 is selected, what is the probability that the proportion of persons with a college degree will be greater than 54%? Round your answer to four decimal places.
Solutions
milcah answered 1 year agoRelated Solutions
Suppose a random sample of size 56 is selected from a population with = 8. Find the...
Suppose a random sample of size 56 is selected from a population
with = 8. Find the value of the standard error of the
mean in each of the following cases (use the finite population
correction factor if appropriate).
The population size is infinite (to 2 decimals).
The population size is N = 50,000 (to 2
decimals).
The population size is N = 5,000 (to 2 decimals).
The population size is N = 500 (to 2 decimals).
Suppose 48% of the population has a retirement account. If a random sample of size 632...
Suppose 48% of the population has a retirement account. If a
random sample of size 632 is selected, what is the probability that
the proportion of persons with a retirement account will differ
from the population proportion by greater than 3%? Round your
answer to four decimal places.
Suppose 56% of the population are more than 6 feet tall. If a random sample of...
Suppose 56% of the population are more than 6 feet tall.
If a random sample of size 643 is selected, what is the
probability that the proportion of persons more than 6 feet tall
will differ from the population proportion by more than 5%? Round
your answer to four decimal places.
Suppose that a random sample of size 64 is to be selected from a population with...
Suppose that a random sample of size 64 is to be selected from a
population with mean 40 and standard deviation 5. (a) What are the
mean and standard deviation of the x sampling distribution? μx = 1
40 Correct: Your answer is correct. σx = 2 .625 Correct: Your
answer is correct. (b) What is the approximate probability that x
will be within 0.2 of the population mean μ? (Round your answer to
four decimal places.) P = 3...
Suppose that a random sample of size 64 is to be selected from a population with...
Suppose that a random sample of size 64 is to be selected from a
population with mean 40 and standard deviation 5.
a) What is the approximate probability that x will differ from μ
by more than 0.8? (Round your answer to four decimal places.)
Suppose a simple random sample of size nequals200 is obtained from a population whose size is...
Suppose a simple random sample of size nequals200 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 . (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 1 minus p right parenthesis less...
In a simple random sample of size 56, taken from a population, 22 of the individuals met a specified criteria.
In a simple random sample of size 56, taken from a population, 22 of the individuals met a specified criteria.
a) What is the margin of error for a 90% confidence interval for p, the population proportion? Round your response to at least 4 decimal places.
b) What is the margin of error for a 95% confidence interval for p? Round your response to at least 4 decimal places. NOTE: These margin of errors are greater than .10 or 10%....
1. Suppose that a random sample of size 64 is to be selected from a population...
1. Suppose that a random sample of size 64 is to be selected
from a population with mean 40 and standard deviation 5.
a. What is the mean of the ¯xx¯ sampling distribution?
b. What is the standard deviation of the ¯xx¯ sampling
distribution?
c. What is the approximate probability that ¯xx¯ will be within
0.5 of the population mean μμ?
d. What is the approximate probability that ¯xx¯ will differ
from μμ by more than 0.7?
2. A Food...
Suppose that a simple random sample of size ?=325 selected from a population has ?=147. Calculate...
Suppose that a simple random sample of size ?=325 selected from
a population has ?=147. Calculate the margin of error for a 95%
confidence interval for the proportion of successes for the
population, ?p.
Compute the sample proportion, ?̂ ,, standard error estimate,
SE, critical value, ?, and the margin of error, ?.. Use a
?-distribution table to determine the critical value. Give all of
your answers to three decimal places except give the critical
value, ?, to two decimal...
Suppose a simple random sample of size n=75 is obtained from a population whose size is...
Suppose a simple random sample of size n=75 is obtained from a
population whose size is N= 30,000 and whose population proportion
with a specified characteristic is p= 0.4 .
A) Determine the standard deviation of the sampling distribution
of p hat (Round to 6 decimals)
B) What is the probability of obtaining x=33 or more individuals
with the characteristic? That is, what is P(p ≥0.44)? (Round to
4 decimals)
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