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noname [10]
2 years ago
6

Randall Racer runs the 100 meter dash in an average time of 10.4 seconds with a standard deviation of 0.1 seconds. If Randall's

times are normally distributed, we have a 99.7% expectation that his finishing time for his next race will be greater than ______ seconds.
Mathematics
1 answer:
Naddik [55]2 years ago
4 0

Answer:

The answer is 0.68 seconds.

Step-by-step explanation:

Distance  -100 meter

Average time - 1 0.4 seconds

Standard deviation -  0.1 seconds.

If Randall's times are normally distributed, we have a 99.7% expectation that his finishing time for his next race will be greater than 0.68 seconds.

Learn more about distance:brainly.com/question/15172156

#SPJ1

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8 0
3 years ago
You take out $50,000 for loans during your college career. You must pay it back with 7% APR for 20 years, making monthly payment
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Answer:

The monthly payment for the loan amount for 20 years is $806.167

Step-by-step explanation:

The principal loan amount= $ 50,000

The rate of interest = 7 %

the time period of loan = 20 years = 20 × 12 = 240 months

let the amount after 20 years = $ A

<u>From Compounded method</u>

Amount = Principal × (1+\dfrac{\textrm rate}{100})^{\textrm Time}

or, A = 50,000 × (1+\dfrac{\textrm 7}{100})^{\textrm 20}

or, A = 50,000 × (1.07)^{20}

Or, A = 50,000 × 3.8696

∴ Amount = $ 193,480

So, The amount after 20 years = $ 193,480

The monthly payment amount = $ \frac{193480}{240} = $ 806.167

Hence The monthly payment for the loan amount for 20 years is $806.167 Answer

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3 years ago
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Kruka [31]

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