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2 years ago

10

Suppose that scores on an exam are normally distributed with mean 80 and standard deviation 5, and that scores are not rounded.

What is the probability that a student scores higher than 85 on the exam

1 answer:

AfilCa [17]2 years ago

7 0

Answer:

3

Step-by-step explanation:

cus it's two 80s and 2 5 so 5 minus 2 is 3

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3 Simplify the expression: 5! 2:3! 4. Simplify the expression:

vredina [299]

Answer:

10

Step-by-step explanation:

$5! 2:3! 4 \\ \\ = \frac{5! \: .2}{3! \: . 4} \\ \\ = \frac{5.4. \cancel{3!} \: . 2}{\cancel{3!} \: .4} \\ \\ = \frac{40}{4} \\ \\ = 10$

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3 years ago

Solve for x:<br>log x + log 8 = 2<br>

likoan [24]

Answer: The answer is 252

Step-by-step explanation:

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2 years ago

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A bank loans you $5000 for school to be repaid with 4% interest how much do you owe after 2 years? 4 years? and 7 years?

Gemiola [76]

After 2 years-$4608
After 4 years-$4246.73
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3 years ago

As an estimation we are told £3 is €4.<br> Convert £18 to euros.

Yuri [45]

Answer:

€24

Step-by-step explanation:

We can use ratios to solve this.

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Divide: x = 18*4/3

Simplify: x = 6*4 = 24

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2 years ago

The figure represents a(n) ______.<br><br> A. angle<br> B. line segment<br> C. ray<br> D. line

anygoal [31]

Answer:

AB represents a line segment because the points limit the line from continuing on either end.

If you include the ray on the left side, then it would be considered a ray.

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3 years ago

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