anonymous
  • anonymous
Assume that the significance level is a = 0.01. Use the given information to find the P-value and the critical value(s). The test statistic of z = 1.40 is obtained when testing the claim that p > 0.2. Find the P value =
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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amistre64
  • amistre64
what are we testing this against?
amistre64
  • amistre64
wait, i might have read over some stuff too quickly
amistre64
  • amistre64
are we to assume a normal distribution?

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amistre64
  • amistre64
|dw:1432923111508:dw|
amistre64
  • amistre64
|dw:1432923177759:dw|
amistre64
  • amistre64
using your ti83 normalcdf(1.4, 9999, 0, 1) for the p-value low high 1-invnorm(.01) for the critical value
anonymous
  • anonymous
P value I got .08075
amistre64
  • amistre64
http://www.wolframalpha.com/input/?i=P%28z%3E1.4%29 .0807 is valid to me
amistre64
  • amistre64
and our invnorm function?

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