Question
To test Upper H 0 : p equals 0.45 versus Upper H 1 : p greater...
To test Upper H 0 : p equals 0.45 versus Upper H 1 : p greater than 0.45, a simple random sample of n equals 200 individuals is obtained and x equals 69 successes are observed.
(a) What does it mean to make a Type II error for thistest?
(b) If the researcher decides to test this hypothesis at the alpha equals 0.01 level of significance, compute the probability of making a Type II error, beta , if the true population proportion is 0.49. What is the power of the test?
(c) Redo part (b) if the true population proportion is 0.50.
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
To test Upper H 0 : sigma equals 1.6 versus Upper H 1 : sigma greater...
To test Upper H 0 : sigma equals 1.6 versus Upper H 1 : sigma
greater than 1.6, a random sample of size n equals 19 is obtained
from a population that is known to be normally distributed.
(a) If the sample standard deviation is determined to be s
equals 2.1, compute the test statistic.
(b) If the researcher decides to test this hypothesis at the
alpha equals 0.01 level of significance, use technology to
determine the P-value.
(c)...
Test the hypothesis using the classical approach and the? P-value approach. Upper H 0 : p...
Test the hypothesis using the classical approach and the?
P-value approach. Upper H 0 : p equals 0.50 versus Upper H 1 : p
less than 0.50 n equals 150 comma x equals 66 comma alpha equals
0.10
?(b) Perform the test using the? P-value approach.
?P-valueequals nothing ?(Round to four decimal places as?
needed.)
To test Upper H0: σ=50 versus Upper H 1 : sigma < 50, a random sample...
To test Upper H0: σ=50 versus Upper H 1 : sigma < 50, a
random sample of size n = 28 is obtained from a population that is
known to be normally distributed.
(a) If the sample standard deviation is determined to be s =
35.6, compute the test statistic. (Round to three decimal places
as needed.)
(b) If the researcher decides to test this hypothesis at the
α=0.01 level of significance, use technology to determine the
P-value. The P-value...
In a test of the hypothesis Upper H 0 : mu equals 10 versus Upper H...
In a test of the hypothesis Upper H 0 : mu equals 10 versus
Upper H Subscript a Baseline : mu not equals 10 a sample of n=50
observations possessed mean x over=10.6 and standard deviation
s=2.7. Find and interpret the p-value for this test.
To test Ho: p = 0.38 versus H1: p < 0.38, a simple random sample of...
To test Ho: p = 0.38 versus H1: p < 0.38, a simple random
sample of n = 1122 individuals is obtained. The researcher decides
to test this hypothesis atα = 0.10 level of significance.
Compute the power of the test if the true population proportion
is 0.35.
To test Upper H 0: mu equals20 versus Upper H 1: mu less than20, a simple...
To test Upper H 0: mu equals20 versus Upper H 1: mu less
than20, a simple random sample of size n=17 is obtained from a
population that is known to be normally distributed.
(a) If
x overbar x equals=18.1
and s equals=4.1,
compute the test statistic.
t equals=−1.91
(Round to two decimal places as needed.)
c) Approximate the P-value. Choose the correct range for the
P-value below.
A. 0.10 less than Upper P dash value less than 0.15
B. 0.15...
In a test of the hypothesis Upper H 0 : mu equals 53H0: μ=53 versus Upper...
In a test of the hypothesis
Upper H 0 : mu equals 53H0: μ=53
versus
Upper H Subscript a Baseline : mu greater than 53Ha:
μ>53,
a sample of
n equals 100n=100
observations possessed mean
x overbarxequals=52.452.4
and standard deviation
sequals=3.53.5.
Find and interpret the p-value for this test.
To test Upper H 0: muequals20 versus Upper H 1: muless than20, a simple random sample...
To test Upper H 0: muequals20 versus Upper H 1: muless
than20, a simple random sample of size nequals17 is obtained from
a population that is known to be normally distributed. Answer
parts (a)-(d). LOADING... Click here to view the t-Distribution
Area in Right Tail. (a) If x overbarequals18.3 and sequals4.5,
compute the test statistic. tequals nothing (Round to two decimal
places as needed.) (b) Draw a t-distribution with the area that
represents the P-value shaded. Which of the following...
Consider the following hypotheses. Upper H 0: p less than or equals 0.23 Upper H 1:...
Consider the following hypotheses. Upper H 0: p less than or
equals 0.23 Upper H 1: p greater than 0.23
Given that p overbar =0.325, n =120, alpha =0.10, answer the
following questions.
Determine the critical value(s) of the test statistic =
Calculate the test statistic =
a. What conclusion should be drawn?
b. Determine the p-value for this test. p-value =
Test the hypothesis using the p-value approach Upper H 0H0: pequals=0.3 versus Upper H 1H1: pgreater...
Test the hypothesis using the p-value approach
Upper H 0H0: pequals=0.3
versus
Upper H 1H1: pgreater than>0.3
n=200; x=65, alphaαequals=0.01
Is np 0 left parenthesis 1 minus p 0 right
parenthesisnp01−p0greater than or equals≥10? yes or no
p value (round to three decimal places)=
(reject or do not reject?) the null hypothesis because the p
value is (greater or less) than x.
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 15 minutes ago
asked 22 minutes ago
asked 43 minutes ago
asked 52 minutes ago
asked 55 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago
asked 2 hours ago
asked 2 hours ago