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Alex17521 [72]
3 years ago
13

Will Smith obtained a $2,000 loan to purchase a computer. His interest rate is 7% ordinary interest for 108 days. How much inter

est does he owe and what is the maturity value of the loan?
Mathematics
1 answer:
Liula [17]3 years ago
4 0
2000x7/100=140
2000-140=1860
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Answer and Step-by-step explanation:

This is a complete question

Trials in an experiment with a polygraph include 97 results that include 23 cases of wrong results and 74 cases of correct results. Use a 0.01 significance level to test the claim that such polygraph results are correct less than 80​% of the time. Identify the null​hypothesis, alternative​ hypothesis, test​ statistic, P-value, conclusion about the null​ hypothesis, and final conclusion that addresses the original claim. Use the​ P-value method. Use the normal distribution as an approximation of the binomial distribution.

The computation is shown below:

The null and alternative hypothesis is

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Ha : p < 0.80

\hat p = \frac{x}{ n} \\\\= \frac{74}{97}

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Now Test statistic = z

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