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Chrome<br>neworkld=598963525&questionld=4&flushed=true&cld=6532724&centerwin=yes<br>Ni<br>napter 9 Sections 1-2<br>13. 0f 17 (11:€omplete)* =<br>View an Example<br>popula<br>the sal<br>i the sa<br>fthe sai<br>rvals in<br>to be 1<br>Question Help ▼<br>A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x. is<br>found to be 110 and the sample standard deviation, s is found to be 10<br>(a) Construct a 98% confidence interval about pif the sample size n is 20<br>(b) Construct a 98% confidence interval about p if the sample size n is 25<br>(c) Construct a 99% confidence interval about uif the sample size n is 20<br>(d) Could we have computed the confidence intervals in parts (a) (c) if the population had not been normally<br>distributed?<br>der the ta<br>if the sa<br>place as ne<br>E Click the icon to view the table of areas under the t-distribition<br>(a) Construct a 98% confidence interval about uif the sample size.n is 20<br>Press Continue to see more.<br>then cick Che<br>18 pars<br>remaining<br>Continue<br>Close<br>R4<br>84F AQI 79<br>

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Jun 11, 2022
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