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Komok [63]
3 years ago
7

Which function’s graph has a y-intercept of 1.5?

Mathematics
1 answer:
Serhud [2]3 years ago
7 0

Answer:

D)

Step-by-step explanation:

for each equation, substitute zero for 'x' and solve for 'y' (this will be the y-int)

A)  y-int = 2

B)  y-int = 0

C)  y-int = 1

D)  y-int = 1.5

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Almost all medical schools in the United States require students to take the Medical College Admission Test (MCAT). To estimate
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Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 24

Standard Deviation, σ = 6.4

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

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

a) P(score between 20 and 30)

P(20 \leq x \leq 30) = P(\displaystyle\frac{20 - 24}{6.4} \leq z \leq \displaystyle\frac{30-24}{6.4}) = P(-0.62 \leq z \leq 0.94)\\\\= P(z \leq 0.94) - P(z < -0.62)\\= 0.8264 - 0.2676 = 0.5588 = 55.88\%

P(20 \leq x \leq 30) = 55.88\%

b) Sampling distribution

Sample size, n = 22

The sample will follow a normal distribution with mean 24 and standard deviation,

s = \dfrac{\sigma}{\sqrt{n}} = \dfrac{6.4}{\sqrt{22}} =1.36

c) P(mean score of sample is between 20 and 30)

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P(20 \leq x \leq 30) =99.84\%

5 0
3 years ago
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