Twenty years ago, 55% 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 250 of 700 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=0.01 level of significance. 10, the sample size is Because npo (1-Po) for testing the hypothesis satisfied. (Round to one decimal place as needed.) = 5% of the population size, and the sample the requirements

Twenty years ago, 55% 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 250 of 700 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=0.01 level of significance. 10, the sample size is Because npo (1-Po) for testing the hypothesis satisfied. (Round to one decimal place as needed.) = 5% of the population size, and the sample the requirements

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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Question

Twenty years ago, 55% 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 250 of 700 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=0.01 level of significance.
Because npo (1-Po)
for testing the hypothesis
(Round to one decimal place as needed.)
10, the sample size is
satisfied.
www
5% of the population size, and the sample
Jay
can be reasonably assumed to be random,
the requirements
cannot be reasonably assumed to be random,
is given to be random,
is given to not be random,

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Twenty years ago, 56% 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 247 of 700 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 = 0.01 level of significance. 5% of the population size, and the sample can be reasonably assumed to be random, the requirements for testing the hypothesis Because npo (1-Po) = 172.5 > 10, the sample size is less than are satisfied. (Round to one decimal place as needed.) What are the null and alternative hypotheses? 0.56 versus H,: p # 0.56 Ho: (Type integers or decimals. Do not round.) %D Find the test statistic. Zo = (Round to two decimal places as needed.) %D
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