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Vitek1552 [10]
3 years ago
5

Help with numbers 3 and 5

Mathematics
1 answer:
Papessa [141]3 years ago
5 0
I hope this helps you

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0 What is this question lol
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Write 10 x 10 x 10 x 10 x 10 x 10 with an exponent. Explain how you decided what exponent to write
valentina_108 [34]

10x10x10x10x10x10=1000000

{10}^{6}

means 10x10x10x10x10x10

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3 years ago
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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
Unit rate of 14.25 for 3 pounds of deli meat
Neko [114]
To find the unit rate, you have to find how much each pound costs

so 14.25/3 is the expression that will get you the answer

14.25/3= 4.75

4.75 per pound is your answer

hope this helps
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3 years ago
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The area of a square poster is 26 in 2 find the length of one side of the poster to the nearest 10th of an inch
Juli2301 [7.4K]
5.1 in
Since the area of a square is s^2, you can take the square root of 26 to find the answer
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