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3 years ago

Integrating exponential functions

Mathematics

1 answer:

Vesnalui [34]3 years ago

7 0

Answer: what’s the question?

Step-by-step explanation:

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John and Sam went to eat pizza. They each decided to order a

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They both equally ate as much, seeing as 2/4 is half , and 8/16 is half!

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2 years ago

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Sweaters cost $39 each. This is $15 more than the price of a cap. Over the season, 725 caps were sold. What was the total sales

Leokris [45]

The price of a cap is 15 less than the sweater:

39-15 = $24

Multiply the price of a cap by amount sold:

725 x 24 = $17,400

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3 years ago

Divide £42 in the ratio 4:3

k0ka [10]

Answer:

Should be 24:18

Step-by-step explanation:

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3 years ago

The chins want to paint their bedroom walls,but not the ceiling. the dimensions of the floor are 20 feet by 12 feet and the wall

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3 years ago

The SAT scores have an average of 1200 with a standard deviation of 60. A sample of 36 scores is selected. a) What is the probab

erastova [34]

Answer:

the probability that the sample mean will be larger than 1224 is 0.0082

Step-by-step explanation:

Given that:

The SAT scores have an average of 1200

with a standard deviation of 60

also; a sample of 36 scores is selected

The objective is to determine the probability that the sample mean will be larger than 1224

Assuming X to be the random variable that represents the SAT score of each student.

This implies that ;

$S \sim N ( 1200,60)$

the probability that the sample mean will be larger than 1224 will now be:

$P(\overline X > 1224) = P(\dfrac{\overline X - \mu }{\dfrac{\sigma}{\sqrt{n}} }> \dfrac{}{}\dfrac{1224- \mu }{\dfrac{\sigma}{\sqrt{n}} })$

$P(\overline X > 1224) = P(Z > \dfrac{1224- 1200 }{\dfrac{60}{\sqrt{36}} })$

$P(\overline X > 1224) = P(Z > \dfrac{24 }{\dfrac{60}{6} })$

$P(\overline X > 1224) = P(Z > \dfrac{24 }{10} })$

$P(\overline X > 1224) = P(Z > 2.4 })$

$P(\overline X > 1224) =1 - P(Z \leq 2.4 })$

From Excel Table ; Using the formula (=NORMDIST(2.4))

P(\overline X > 1224) = 1 - 0.9918

P(\overline X > 1224) = 0.0082

Hence; the probability that the sample mean will be larger than 1224 is 0.0082

4 0

3 years ago