Twenty years ago, 48% otparents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 254 of 800 parents of children in high school felt it was a seriom problem that high school students were not being taught enough math and science, Do parents fel differently today than they did twenty years ago? Use the a= 0.1 level of significance. Click here to view the standard.normal distribution table (page 1). Click here to view the standard.nomal distribution table (page 2). Becauso npo (1- Po) = 10, the sample size is 5% of the population size, and the sample V the requirements for testing the hypothesis V satisfiod. (Round to one decimal place as needed.) What are the null and alternative hypotheses? V versus H, Ho (Type integers or decimals Do not round.) Determine the test statistic, zo 2n= (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. tz4/2= OB, Za= Choose the corect conclusion below O A. Do not reject the null hypothesis. There is insufficient evidence to conclude that the number of parents who feel that students are not being taught enough math and science is significantly different from 20 years ago. O B. Rejoct the null hypothesis. There is insufficient evidence to conclude that the number of parents who feel that students are not being taught enough math and science is significantly different from 20 years ago OC Reiect the null hvnnthecis There is euffirient evirlenre to conclude that the numher of narents whn feel that sturlents are not heinn taunht ennuinh math and srience is sinnificantlv different frnm 20 vears ann
Twenty years ago, 48% otparents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 254 of 800 parents of children in high school felt it was a seriom problem that high school students were not being taught enough math and science, Do parents fel differently today than they did twenty years ago? Use the a= 0.1 level of significance. Click here to view the standard.normal distribution table (page 1). Click here to view the standard.nomal distribution table (page 2). Becauso npo (1- Po) = 10, the sample size is 5% of the population size, and the sample V the requirements for testing the hypothesis V satisfiod. (Round to one decimal place as needed.) What are the null and alternative hypotheses? V versus H, Ho (Type integers or decimals Do not round.) Determine the test statistic, zo 2n= (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. tz4/2= OB, Za= Choose the corect conclusion below O A. Do not reject the null hypothesis. There is insufficient evidence to conclude that the number of parents who feel that students are not being taught enough math and science is significantly different from 20 years ago. O B. Rejoct the null hypothesis. There is insufficient evidence to conclude that the number of parents who feel that students are not being taught enough math and science is significantly different from 20 years ago OC Reiect the null hvnnthecis There is euffirient evirlenre to conclude that the numher of narents whn feel that sturlents are not heinn taunht ennuinh math and srience is sinnificantlv different frnm 20 vears ann
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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![Twenty years ago, 48% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 254 of 800 parents of children in high school felt it was a serious
problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a=0.1 level of significance.
Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2).
Because npo (1- Po) = V 10, the sample size is
5% of the population size, and the sample
the requirements for testing the hypothesis
satisfied.
(Round to one decimal place as needed.)
What are the null and alternative hypotheses?
Ho-
(Type integers or decimals. Do not round.)
versus H,
Determine the test statistic, Zo-
Zo
(Round to two decimal places as needed.)
Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice.
(Round to two decimal places as needed.)
O A. ±Za/2= ±
O B. Za =
Choose the correct conclusion below.
O A. Do not reject the null hypothesis. There is insufficient evidence to conclude that the number of parents who feel that students are not being taught enough math and science is significantly different from 20 years ago.
O B. Reject the null hypothesis. There is insufficient evidence to conclude that the number of parents who feel that students are not being taught enough math and science is significantly different from 20 years ago.
Reiect the null hvnothesis There is suifficient evidence to conclude that the number of parents who feel that students are not beina taught enoudh math and science is sianificantly different fror
20 vears ago
Click to select your answer(s).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb40d4242-3ac3-4a23-b8cc-f3704c2db427%2F517cdc6d-66f8-4e60-8ada-6a8f6b2e54a1%2Fjux6vi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Twenty years ago, 48% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 254 of 800 parents of children in high school felt it was a serious
problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a=0.1 level of significance.
Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2).
Because npo (1- Po) = V 10, the sample size is
5% of the population size, and the sample
the requirements for testing the hypothesis
satisfied.
(Round to one decimal place as needed.)
What are the null and alternative hypotheses?
Ho-
(Type integers or decimals. Do not round.)
versus H,
Determine the test statistic, Zo-
Zo
(Round to two decimal places as needed.)
Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice.
(Round to two decimal places as needed.)
O A. ±Za/2= ±
O B. Za =
Choose the correct conclusion below.
O A. Do not reject the null hypothesis. There is insufficient evidence to conclude that the number of parents who feel that students are not being taught enough math and science is significantly different from 20 years ago.
O B. Reject the null hypothesis. There is insufficient evidence to conclude that the number of parents who feel that students are not being taught enough math and science is significantly different from 20 years ago.
Reiect the null hvnothesis There is suifficient evidence to conclude that the number of parents who feel that students are not beina taught enoudh math and science is sianificantly different fror
20 vears ago
Click to select your answer(s).
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