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2 years ago

Que

Mathematics

2 answers:

Soloha48 [4]2 years ago

7 0

Answer:

7.5

Step-by-step explanation:

4*3.5 = 14

4*-1.5 = -6

14 + -6 = 8

8-1/2 = 7.5

<em>Question Is Incomplete</em>

Alex777 [14]2 years ago

3 0

Answer:

A. 12

I think so.....

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3 years ago

Read 2 more answers

The average score of all golfers for a particular course has a mean of 61 and a standard deviation of 3.5 . Suppose 49 golfers p

Nadya [2.5K]

Answer:

The probability that the average score of the 49 golfers exceeded 62 is 0.3897

Step-by-step explanation:

The average score of all golfers for a particular course has a mean of 61 and a standard deviation of 3.5

$\mu = 61$

$\sigma = 3.5$

We are supposed to find he probability that the average score of the 49 golfers exceeded 62.

Formula : $Z=\frac{x-\mu}{\sigma}$

$Z=\frac{62-61}{3.5}$

$Z=0.285$

Refer the z table for p value

p value = 0.6103

P(x>62)=1-P(x<62)=1-0.6103=0.3897

Hence the probability that the average score of the 49 golfers exceeded 62 is 0.3897

7 0

3 years ago

How do you work this?

allochka39001 [22]

Answer:

x = 60

Step-by-step explanation:

That square on the angle means 90 degrees so since the other angle is 30 that means x has to be 60

5 0

2 years ago

−5a – ( 6a + 3) + 8}<br> plz help show step by step

Rom4ik [11]

Answer:

11a+5

Step-by-step explanation:

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2 years ago

I need help with number 8

Oksana_A [137]

The answer is 16.8!!!!

3 0

3 years ago