1. a) What are the two decisions that you can make from performing a hypothesis test? b) In your own words, after learning about hypothesis tests, how is chat decision made? c) Discuss the types of errors that can be made when performing a hy- othesis test.
1. a) What are the two decisions that you can make from performing a hypothesis test? b) In your own words, after learning about hypothesis tests, how is chat decision made? c) Discuss the types of errors that can be made when performing a hy- othesis test.
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 4SE: What is the difference between events and outcomes? Give an example of both using the sample space...
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(a) Two decisions that can be made based on the result of a hypothesis test are:
- Reject the null hypothesis
- Fail to reject the null hypothesis.
(b) Decision is made based on the significance level and p-value:
Significance level refers to the degree of significance in which we accept or reject the null hypothesis. We usually take , indicating that there is 5% chance of rejecting the null hypothesis, when it is true.
P-value is the probability of obtaining the value of the test statistic or a value more extreme, assuming the null hypothesis is true.
We reject : If the p-value is less than the significance level.
Fail to reject : If the p-value is greater than the significance level.
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