Use the complex conjugate of (-7 + i) to remove the complex number from the denominator and then simplify.
See attached.
See attached.
your cell phone plan costs $29.99 per month plus $0.17 for each text message you send or receive. you have at most $36 to spe
1 answer:
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Complete Question
The complete is shown on the first uploaded image
Answer:
The correct option are option 2 and option 4
Step-by-step explanation:
From the question we are told that
The sample size is n = 12
The test statistics is
The level of significance is
The rejection region is t>1.796
The null hypothesis
The alternative hypothesis is
From the given values we see that t < 1.796(i.e 1.434 < 1.796 ) which implies that t is not within the rejection region
Hence we fail to reject the null hypothesis
The conclusion is that there is insufficient evidence to suggest that that the husbands are significantly older than the wife.
