Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test.
Is
Use technology to find the P-Value.
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test.
Is
Use technology to find the P-Value.
Null hypothesis,
Alternative hypothesis,
Under
Now consider,
Since
Given information:
Number of trials,
Number of sucesses in 150 cases,
Sample proportion,
Compute test statistic.
Alternative hypothesis has symbol "<", so the test is based on left-tailed.
Using Excel function "=NORMSTD(z)"
When testing the hypothesis
The following data represent soil water content for independent random samples of soil taken from two experimental fields growing bell peppers Soil water content from field I:
Which distribution (standard normal or Student's t) did you use? Why? Do you need information about the soil water content distributions?