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weqwewe [10]
4 years ago
7

Jolene is playing basketball. she scored 11 baskets in 15 free throws. what is the experimental probability that she will score

a basket on her next free throw?
Mathematics
2 answers:
Elanso [62]4 years ago
4 0
So probobillity is total sucsesses over total possible or TS/TP so

11/15 so the probobility is 11/15 or 0.73
bazaltina [42]4 years ago
4 0
Since its 11 baskets in 15 throws... The probablitity that she will make it would be 
11 out of 15
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Step-by-step explanation:

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3 years ago
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Sonbull [250]

Answer:

-6 < k < 2

Step-by-step explanation:

Given

y = x^2 - 2x

y =kx -4

Required

Possible values of k

The general quadratic equation is:

ax^2 + bx + c = 0

Subtract y = x^2 - 2x and y =kx -4

y - y = x^2 - 2x - kx +4

0 = x^2 - 2x - kx +4

Factorize:

0 = x^2 +x(-2 - k) +4

Rewrite as:

x^2 +x(-2 - k) +4=0

Compare the above equation to: ax^2 + bx + c = 0

a = 1

b= -2-k

c =4

For the equation to have two distinct solution, the following must be true:

b^2 - 4ac > 0

So, we have:

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Expand

4 +4k+k^2-16>0

Rewrite as:

k^2 + 4k - 16 + 4 >0

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Expand

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Factor out k + 6

(k -2)(k + 6) >0

Split:

k -2 > 0 or k + 6> 0

So:

k > 2 or k > -6

To make the above inequality true, we set:

k < 2 or k >-6

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-6 < k < 2

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I hope this helps you



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