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cestrela7 [59]
3 years ago
9

What is the probability that a student failed the test GIVEN that they studied

Mathematics
1 answer:
puteri [66]3 years ago
5 0

Answer:

1/12

Step-by-step explanation:

You are close but 1/27 includes people who did not study but still passed. If you want a singular value you should look at the value for the for only the people who studied even if they passed.

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Factorise the following expressions​.
Setler79 [48]

Answer:

Q.1 a²+10a+24

splitting the middle.

a²+6a+4a+24

=a(a+6)+4(a+6)

(a+6)(a+4)

Q.2 x²+9x+18

splitting the middle

x²+6x+3x+18

x(x+6)+3(x+6)

(x+6)(x+3)

3 0
3 years ago
Using the following image, solve for SR. Look at the image closely.
iren [92.7K]

Step-by-step explanation:

I assume

SR = 2x + 23

RQ = x + 21

if that is true, then the situation is completely simple :

14 = (2x + 23) + (x + 21) = 3x + 44

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x = -10

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RQ = -10 + 21 = 11

4 0
2 years ago
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What is the prime factorization of 18?<br> 2x3<br> 2x9<br> 2x3x3<br> 2x3x9
liraira [26]

Answer: 2 × 3 × 3 or we can also write them as 2 × 32, where 2 and 3 both are prime numbers.

8 0
3 years ago
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sing traditional methods, it takes 108108 hours to receive a basic driving license. A new license training method using Computer
solniwko [45]

Answer:

z_{stat} = -1.50            

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 108

Sample mean, \bar{x} = 107

Sample size, n = 110

Alpha, α = 0.02

Population standard deviation, σ = 7

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{107 - 108}{\frac{7}{\sqrt{110}} } = -1.50

The test statistic is -1.50

8 0
3 years ago
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Answer:

Slope-intercept form

Step-by-step explanation:

The correct answer is actually slope-intercept form.

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3 years ago
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