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3 years ago

I have no clue Someone Please Help!!!!!

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

7 0

Answer:

Step-by-step explanation:

we have to see the value of y on x=-2

which is 2

so g(-2)=2

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At a university, 73% of the students are undergraduates. .

Oksana_A [137]

Answer:4,891 are undergraduate students .

Step-by-step explanation:

Total Number of students = 6700

Percentage of Undergraduate students = 73%

Number of Undergraduatre students = Percentage of Undergraduate students x Total Number of students

= 73% x 6700

73/100 x6700

=4,891 are undergraduate students .

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3 years ago

(-1/3,4) is the solution set of?

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Solution set of what ?

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3 years ago

Which answer best describes the shape of this distribution?

Effectus [21]

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4 years ago

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Which equation has the solutions x equals 1 plus or minus the square root of 5

CaHeK987 [17]

Answer:

d. x2 – 2x – 4 = 0

Step-by-step explanation:

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3 years ago

A study was conducted to investigate the relationship between maternal smoking during pregnancy and the presence of congenital m

Pachacha [2.7K]

Answer:

a) In the explanation.

b) P=0.09714

c) P=0.0866

d) p=0.208

Step-by-step explanation:

a) The sampling distribution will have this properties:

1 - The sampling distribution of a proportion is equal to the binomial distribution.

2 - The mean of the sampling distribution will be equal to the proportion of the population (0.328).

$\mu=\pi=0.328$

3 - The standard deviation will be equal to the square root of the product of the proportion and its complementary, divided by the sample size.

$\sigma_s=\sqrt{\pi(1-\pi)/n}=\sqrt{0.328*(1-0.328)/25}=0.094$

B) The fraction with sample proportion of 0.45 or higher is

$z=(p-\pi)/\sigma=(0.45-0.328)/0.094=1.298\\\\P(p\geq0.45)=P(z\geq 1.298)=0.09714$

C) The fraction with sample proportion of 0.20 or lower is

$z=(p-\pi)/\sigma=(0.2-0.328)/0.094=-1.362\\\\P(p\leq0.2)=P(z\geq -1.362)=0.0866$

D) The value of p that cuts off the lower 10% of the distribution corresponds to z=-1.28.

Then we have

$z=(p-\pi)/\sigma\\\\p=\pi+z\sigma=0.328+(-1.28)*0.094=0.328-0.120=0.208$

7 0

3 years ago