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Kryger [21]
3 years ago
15

What is 3/5 estimated to

Mathematics
2 answers:
Ber [7]3 years ago
4 0
0.6 am i correct?????
PilotLPTM [1.2K]3 years ago
3 0

Answer:

i think 1

Step-by-step explanation:


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Sixty percent of U.S. adults trust national newspapers to present the news fairly and accurately. You randomly select nine U.S.
Pavel [41]

Answer:

a) 0.251

b) 0.483

c) 0.0994

Step-by-step explanation:

We are given the following information:

We treat adult adults trusting national newspapers to present the news fairly and accurately as a success.

P(Adult trust) = 60% = 0.6

Then the number of adults follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 9

a) exactly five

P(x = 15) = \binom{9}{5}(0.6)^{5}(1-0.6)^{9-5} = 0.2508 \approx 0.251

b) at least six

We have to evaluate

P(x \geq 6) = P(x = 6) + P(x = 7) + P(x=8) + P(x=9) \\= \binom{9}{6}(0.6)^6(1-0.6)^3 + \binom{9}{7}(0.6)^7(1-0.6)^2 + \binom{9}{8}(0.6)^8(1-0.6)^1 +\binom{9}{9}(0.6)^9(1-0.6)^0\\= 0.482609 \approx 0.483

c) less than four

We have to evaluate

P(x < 4) = P(x = 0) + P(x = 1) + P(x=2) + P(x=3) \\= \binom{9}{0}(0.6)^0(1-0.6)^9 + \binom{9}{1}(0.6)^1(1-0.6)^8 + \binom{9}{2}(0.6)^2(1-0.6)^7 +\binom{9}{3}(0.6)^3(1-0.6)^6\\= 0.099352 \approx 0.0994

3 0
3 years ago
State the x-intercept, y intercept and the slope for each graph. Then write an equation in slope intercept form
liq [111]

Answer:

3. x-inter = there is not one

y-inter = -4

slope = 1/3

y= 1/3x - (-4)

5. x-inter = 2

y-inter = 2

slope = 1/-1

y= -1x + 2

Step-by-step explanation:

8 0
3 years ago
Find the area of the trapezoid.
butalik [34]

Answer:

8 ft

Step-by-step explanation:

t = a + b/2 times 2

2 + 6 = 8

8/2 = 4

4 x 2 = 8

8 0
3 years ago
Jackie filled the blue water balloon with 12.25 ounces of water and the red water balloon with 5.5 ounces of water. How much mor
tekilochka [14]

All you do is subtract 5.5 oz from 12.25 oz, so the answer is that the blue balloon has 6.75 more oz than the other balloon.

7 0
3 years ago
Mary runs 7 1/5 miles, jogs 5 1/4 miles andcwalks 8 2/3 miles. How far has she traveled?
MrRa [10]

Answer:

217/60 miles

Step-by-step explanation:

7 0
3 years ago
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