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Salsk061 [2.6K]
3 years ago
13

9 and 11 please I need help

Mathematics
1 answer:
dimaraw [331]3 years ago
5 0
9. <span>1.25 = (1 x 1) + (2/10) + (5/100)

11. is ---C----</span>
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A bowling leagues mean score is 197 with a standard deviation of 12. The scores are normally distributed. What is the probabilit
Bond [772]

Answer:

0.281 = 28.1% probability a given player averaged less than 190.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

A bowling leagues mean score is 197 with a standard deviation of 12.

This means that \mu = 197, \sigma = 12

What is the probability a given player averaged less than 190?

This is the p-value of Z when X = 190.

Z = \frac{X - \mu}{\sigma}

Z = \frac{190 - 197}{12}

Z = -0.58

Z = -0.58 has a p-value of 0.281.

0.281 = 28.1% probability a given player averaged less than 190.

8 0
3 years ago
5^4-x^2+x-2 divided by x - 2
bekas [8.4K]

Answer: x −x  3  +x  2  +623x−2

​

Step-by-step explanation:

5 0
3 years ago
Students taking an online english test are randomly assigned 3 questions out of a set of 9 different questions. How many differe
wolverine [178]

Answer:

2 sets I think

Step-by-step explanation:

what are the answer choices

4 0
3 years ago
How do you determine the square root of a term whose variable(s<br> have exponents greater than 2?
4vir4ik [10]

Basic method is Synthetic Division and Factor Theorem

Step-by-step explanation:

For higher-degree equations, the question becomes more complicated than others: cubic and quadratic equations  can be solved by similar formulas.

Hence, to avoid those circumstances we can use Synthetic Division  and Factor theorem to determine the squares of the given polynomial those who have order higher than 2.

7 0
3 years ago
Is this the correct answer?
NeTakaya
30kx - 6kx = 8

24kx = 8 /(÷8)

3kx = 1

x = 1/3k
4 0
3 years ago
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