In a 2013 poll, it was found that 0.78 of Americans cover their mouth when sneezing. A sociologist claims that this proportion has decreased since then. She wishes to test the following claim (H1) at a significance level of a 0.10. Ho: p = 0.78 H₁: p<0.78 She obtains a random sample of 21 Americans and finds that 13 cover their mouth when sneezing. The p-value for this test is the probability of observing... at most 13 Americans cover their mouth when sneezing. O at least 13 Americans cover their mouth when sneezing. What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) a esc K 1 2 7 C $ 54 #3 e a W e S 925 % 言 ווב 6 & 7 d g y

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4AGP
icon
Related questions
Question
Can you help me find the p-value for this problem
In a 2013 poll, it was found that 0.78 of Americans cover their mouth when sneezing. A sociologist claims
that this proportion has decreased since then. She wishes to test the following claim (H1) at a significance
level of a
0.10.
Ho: p = 0.78
H₁: p<0.78
She obtains a random sample of 21 Americans and finds that 13 cover their mouth when sneezing.
The p-value for this test is the probability of observing...
at most 13 Americans cover their mouth when sneezing.
O at least 13 Americans cover their mouth when sneezing.
What is the p-value for this sample? (Report answer accurate to four decimal places.)
p-value =
The p-value is...
less than (or equal to) a
esc
K
1
2
7
C
$
54
#3
e
a
W
e
S
925
%
言
ווב
6
&
7
d
g
y
Transcribed Image Text:In a 2013 poll, it was found that 0.78 of Americans cover their mouth when sneezing. A sociologist claims that this proportion has decreased since then. She wishes to test the following claim (H1) at a significance level of a 0.10. Ho: p = 0.78 H₁: p<0.78 She obtains a random sample of 21 Americans and finds that 13 cover their mouth when sneezing. The p-value for this test is the probability of observing... at most 13 Americans cover their mouth when sneezing. O at least 13 Americans cover their mouth when sneezing. What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) a esc K 1 2 7 C $ 54 #3 e a W e S 925 % 言 ווב 6 & 7 d g y
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL