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agasfer [191]
3 years ago
5

A study by Allstate Insurance Co. finds that 82% of teenagers have used cell phones while driving. Suppose a random sample of 10

0 teen drivers is taken. c. what is the probability that the sample distribution is within +/- 0.02 of the population proportion?
Mathematics
1 answer:
Grace [21]3 years ago
6 0

Answer:

Step-by-step ex

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Find the y-intercept of the line below.
ANEK [815]
Y=mx+b, the b is your y-intercept so just rearrange your equation
y=(3/7)x+(2/7)
your y-intercept would be b) (2/7)
8 0
3 years ago
X^2(x^2+3x+2)plzz help me
agasfer [191]

The zeros for this function are -2, -1 and a double root of 0.

You can find this by first factoring the polynomial on the inside of the parenthesis. Polynomials like this can be factored by looking for two numbers that multiply to the constant (2) and add up to the second coefficient (3). The numbers 2 and 1 satisfy both of those needs and thus can be used as the numbers in a factoring.

x^2(x^2 + 3x + 2)

x^2(x + 2)(x + 1)

Now to find the zeros, we set each part equal to 0. You may want to split the x^2 into two separate x's for this purpose.

(x)(x)(x + 2)(x + 1)

x = 0

x = 0

x + 2 = 0

x = -2

x + 1 = 0

x = -1

8 0
3 years ago
Read 2 more answers
At a cookout the cook prepares 25 hot dogs and 16 hamburgers. If the ratio is 25 to 16, the rate can be expressed as 25 hot dogs
victus00 [196]
25 hot dogs per 16 hamburgers.
7 0
3 years ago
Simplify each expression 25 × 3 + 60 × 2
AveGali [126]

first you would multiply 25 x 3, which is 75 and then multiply 60 x 2 which is 120, then add 120 and 75 together, making the answer 195

3 0
3 years ago
Simplify the expression: (− 2/3 pq^4)^2·(−27p^5q)
VladimirAG [237]

Answer:

-12p^7q^9

Step-by-step explanation:

(-2/3Pq^4)^2×(-27P^5q)

= ((-2)^2)/3^2 × P^2 q^4-2 × (-27qp^5)

= ((-2)^2)/3^2 × 27p^7q9

= (((-2)^2 x 27p^7q9)/3^2

= -((4×27p^7q^9)/9)

= -(108p^7q^9)/9

= -12p^7q^9

4 0
3 years ago
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