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Dafna1 [17]
3 years ago
13

Suppose you record how long it takes you to get to school over many months and discover that the one-way travel times, in minute

s, are approximately normally distributed with a mean of 13.88 minutes and standard deviation of 4 minutes. you are interested in the probability that it will take you at least 20 minutes to get to school

Mathematics
1 answer:
Lemur [1.5K]3 years ago
4 0
The probability it will take 20 minutes or more is about 6.3%.

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I giveee brainlilstttt
Anni [7]

Answer:

(5,-3)

Step-by-step explanation:

On the x-axis, go 5 points to the right and on the y-axis go 3 points down the the negative 3 and the point N crosses at (5,-3)

7 0
3 years ago
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If the simple interest on 7000​$ for 8 years is ​3920$​, then what is the interest​ rate?
Lisa [10]

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Step-by-step explanation:

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(1) Cos AcosecA=cot A​
Mashutka [201]

Answer:

The Basic Identities are :

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So for this question :

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7 0
3 years ago
Ashot borrowed $225, and paid $108 as an interest of eight years. What was the annual interest rate?
Helga [31]

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6%

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I asked this same exact question, no one got the right answer, so I just guessed, and what do you know, I got the answer right! So here you go.

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3 years ago
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A variable needs to be eliminated to solve
lesya692 [45]

Answer:

(7, - 7 )

Step-by-step explanation:

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adding the 2 equations term by term will eliminate the y- term

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solution is (7, - 7 )

6 0
3 years ago
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