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kicyunya [14]
3 years ago
13

A basketball player averages 22.5 points scored per game with a standard deviation of 6.2 points. In one game, the athlete score

d 10 points. What is the z-score for the points scored in this game?
–2.02
–1.63
1.63
2.02
Mathematics
1 answer:
bulgar [2K]3 years ago
5 0

Answer:

Step-by-step explanation:

Z -2.02

x 10

µ 22.5

σ 6.2

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Racehorse A man buys a racehorse for $20,000 and en- ters it in two races. He plans to sell the horse afterward, hoping to make
RUDIKE [14]

Answer: $10,600

Step-by-step explanation:

Worth raises to $100,000 by winning both races

Worth raises to $50,000 by winning one race

Worth decreases to $10,000 by loosing both

Probabilty of winning both races=0.2\times 0.3

Probabilty of winning one race=0.2\times 0.7+0.8\times 0.3=0.38

Probabilty of loosing both races=0.8\times 0.7=0.56

Expected profit=0.06\left ( 100,000-20,000\right )+0.38\left ( 50,000-20,000\right )+0.56\left ( 10,000-20,000\right )

=$10,600

3 0
4 years ago
Which of the following is a perfect square trinomial?
Snowcat [4.5K]

Answer:

x^2-5x+6\\(x-3)(x-2)

x^2-3x+4\\(x-4)(x+1)

x^2+20x+100\\(x+10)(x+10)\\(x+10)^2

That's the answer

x^2+14x-49\\x(x+14)-49

Only x^2+20x+100 is a perfect square trinomial

3 0
4 years ago
Which of the following expressions are equivalent to 40x+30y choose all that apply
vlabodo [156]

Answer:

1,390 I think that's the answer

Step-by-step explanation:

hope that helps

8 0
2 years ago
A college has space for 580 students. The college estimates that 65% of the students who are admitted will attend the college. H
marshall27 [118]

Answer:

The number of students whom should be admitted is 377.

Step-by-step explanation:

Given:

College has space for 580 students.

The college estimates that 65% of the students who are admitted will attend the college.

Now, to find the number of students whom should be admitted.

Space for total number of students = 580.

Percentage of the students who are admitted = 65%.

Total number of students whom should be admitted = 65% of 580.

                                                     =\frac{65}{100}\times 580

                                                     =\frac{37700}{100}

                                                     =377.

Therefore, the number of students whom should be admitted is 377.

4 0
4 years ago
If $7500 is invested at an interest rate of 5% each year, what is the value of the investment in 4 years? Write an exponential f
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The answer is 9,116.3
7500*(1+0.05)^4 
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