# Project #20187 - Statistic

1use the given marhin of error, confidence level, and population standar seviation, omega, to find the minium sample size required to esitmate an unknown population mean, (M) Mew

Margin of error: 0.7 inches, confidence level 99percent, O (Omega) = 2.6

A confidence level of 99percent reqiures a mininimum sample size of ? (round to the nearest interger)

2. USe the information to find the p value. Also, use a 0.05 signifacane level and  state the conclusion about the null hypothesis.

the test statistic in a left-tailed test is z=-1.02

3. Express the confidence interval 0.777< p< 0.999 in the form p^ +- E.

P^ +- E ? +- ?

4. Use the given dats to find the minimum sample size reqired to estimate a population propotion or percentage.

MArgin of error, three percentage points, confidence level of 95percent  from a pror study =, p^ is stemated by the decimal equivalent of 56percent

N= ? (round up to the nearest interger)

5. N= 600, x=120,90% confiidence

The margin of error E = (round to four decimal places as needed)

6. use the sample data and confidene level to construct the confidence interval esitmate if the poulation propotion p.

n=550,x=275,90%confidence

?<p<?

7use the given confidence interval limits to find the point esimate P^ and the margin of error E. (0.869, 0.895)

 Subject Mathematics Due By (Pacific Time) 12/20/2013 12:00 am
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