A life-insurance company claims that 10% of the sales calls their agents make result in a...

A life-insurance company claims that 10% of the sales calls their agents make result in a successful sale. Which of the following is the correct null and alternative hypotheses to test for this claim?

Multiple Choice

H0 : ? = 0.10; Ha : ? ? 0.10

H0 : ? ? 0.10; Ha : ? = 0.10

H0: ? ? 0.10; Ha : ? < 0.10

H0 : ? ? 0.10; Ha : ? > 0.10

Solutions

Expert Solution

Alternative hypothesis is what has to be proven and null hypothesis is prove that alternative is false.

Companies claim is that 10% of calls are converted into sales, thus alternative hypothesis is that mean, p = 0.1, whereas null hypothesis the sucessful sales are not equal to 0.1, thus H0: p # 0.1

Correct ans: H0 : ? ? 0.10; Ha : ? = 0.10

keosha answered 2 years ago

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