In a random sample of males, it was found that 23 write with their left hands and 218 do not. In a random sample of females, it was found that 63 write with their left hands and 448 do not. Use a 0.05 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 = P2 H1: P1 P2 OC. Ho: P1 sP2 H4: P1 # P2 O D. Ho: P12 P2 H4:P1 # P2 O F. Ho: P1 # P2 H1:P1 = P2 E. Ho: P1 = P2 H4: P1 # P2 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is the significance level of a = 0.05, so the null hypothesis. There evidence to support the claim that the rate of left-handedness among males is less than that among females.
In a random sample of males, it was found that 23 write with their left hands and 218 do not. In a random sample of females, it was found that 63 write with their left hands and 448 do not. Use a 0.05 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 = P2 H1: P1 P2 OC. Ho: P1 sP2 H4: P1 # P2 O D. Ho: P12 P2 H4:P1 # P2 O F. Ho: P1 # P2 H1:P1 = P2 E. Ho: P1 = P2 H4: P1 # P2 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is the significance level of a = 0.05, so the null hypothesis. There evidence to support the claim that the rate of left-handedness among males is less than that among females.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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please answer both parts
Transcribed Image Text:In a random sample of males, it was found that 23 write with their left hands and 218 do not. In a random sample of females, it was found that 63 write with their left hands and 448 do not. Use a 0.05
significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below.
a. Test the claim using a hypothesis test.
Consider the first sample to be the sample of males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test?
O A. Ho: P1 = P2
H1: P1 <P2
B. Ho: P1 = P2
H1: P1 > P2
OC. Ho: P1 sP2
H4: P1 # P2
O D. Ho: P12 P2
H4:P1 # P2
O F. Ho: P1 # P2
H1:P1 = P2
E. Ho: P1 = P2
H4: P1 # P2
Identify the test statistic.
(Round to two decimal places as needed.)
Identify the P-value.
P-value =
(Round to three decimal places as needed.)
What is the conclusion based on the hypothesis test?
The P-value is
the significance level of a = 0.05, so
the null hypothesis. There
evidence to support the claim that the rate of left-handedness among males
is less than that among females.
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