Where the population standard deviation is known, the test statistic is determined to be -2.5. What is the p-value for this test
?
1 answer:
Answer:

Step-by-step explanation:
From the question we are told that:
Test statistic t =-2.5
Generally the equation for Test for statistics is mathematically given by


Therefore
P-value from Z table is
For left tailed test

therefore the P-value for the test is

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