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1 year ago

Write the equation of the line (please answer will mark brainlist)

Mathematics

1 answer:

Ket [755]1 year ago

3 0

Y = -5/3x + 5
To find slope, rise/run
But since the graph is going down, the slope must be negative

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The average score of all pro golfers for a particular course has a mean of 70 and a standard deviation of 3.0 (Think of these as

bija089 [108]

Answer:

0.477 is the probability that the average score of the 36 golfers was between 70 and 71.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 70

Standard Deviation, σ = 3

Sample size, n = 36

Let the average score of all pro golfers follow a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(score of the 36 golfers was between 70 and 71)

$\text{Standard error of sampling} = \displaystyle\frac{\sigma}{\sqrt{n}} = \frac{3}{\sqrt{36}} = \frac{1}{2}$

$P(70 \leq x \leq 71) = P(\displaystyle\frac{70 - 70}{\frac{3}{\sqrt{36}}} \leq z \leq \displaystyle\frac{71-70}{\frac{3}{\sqrt{36}}}) = P(0 \leq z \leq 2)\\\\= P(z \leq 2) - P(z \leq 0)\\= 0.977 - 0.500 = 0.477= 47.7\%$

$P(70 \leq x \leq 71) = 47.7\%$

0.477 is the probability that the average score of the 36 golfers was between 70 and 71.

8 0

2 years ago

How to find the angle of a triangle with only 2 sides?

den301095 [7]

<span>use:S(OH) C(AH) T(OA) depending on the info given
</span>

8 0

2 years ago

810 songs; 130% increase

horrorfan [7]

To do 130% increase you multiply by 1.3 so you do 810 × 1.3 = 1053

4 0

2 years ago

-k+0.03+1.01k=-2.45-1.81k?

Mrrafil [7]

Answer:

-1.362637

or if you round your answer -1.36

Step-by-step explanation:

solve for k by simplifying both sides of the equation and isolating the variable.

4 0

2 years ago

Math, pls answer now for points I wasted 20 points on this ASAP

allochka39001 [22]

Answer:

The answer to the problem is J

7 0

2 years ago