If you deposit $100 in a savings account that earns simple interest at a rate of 1.5% per year how much interest will you have e
2 answers:
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Answer:
The appropriate null hypothesis is
The appropriate alternative hypothesis is
Step-by-step explanation:
The average car had a fuel economy of 22.6 MPG. Test if the current average is less than this.
At the null hypothesis, we test if the current average is still of 22.6 MPG, that is:
At the alternative hypothesis, we test if the current mean has decreased, that is, if it is less than 22.6 MPG. So