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kotykmax [81]
3 years ago
8

The spinner below is spun then the a month of the year is randomly selected. Find each probability

Mathematics
2 answers:
bulgar [2K]3 years ago
7 0

Answer:

Step-by-step explanation:

P (blue)  fraction = 2/8   decimal=.25     percent=25%

P(purple) fraction=0/8   decimal=0         percent =0%

P(not green)  fraction=5/8     decimal=.625     percent= 62.5%

P(not brown) fraction=8/8     decimal=1   percent =100%

2)Refer to the table on air travel selected airports. Suppose a flight that arrived at <u>El Centro</u> is selected at random. What is the probability that the flight <u>did not arrive on time?</u> write your answer as a fraction, decimal and percent.    

80% on time so 20% are not on time

20/100 ÷ 20 =1/5

20%, .2, 1/5

3)The spinner has 8 sectors labeled with letters. Each sector of the spinner below is the same size, as shown.

If the arrow is spun 400 times , how many times  would it be  expected to land on a sector labeled B?

\frac{B}{Total} \\\frac{3}{8} =\frac{x}{400\\}

A)50                 C)150

B)100                D)250

PLEASE MARK ME AS BRAINLIEST

Kryger [21]3 years ago
6 0

Answer:

I think the answer is 0.3

Step-by-step explanation:

Sorry if am wrong.

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Jack and Jill each opened accounts that earn 5% interest compounded annually. Jack deposited $2500 and Jill deposited $3000. No
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3,850

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Without solving determine the number of real solutions for each quadratic equation
seropon [69]

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b^2-4b+3=0

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b(b-3)-1(b-3)=0

(b-3)(b-1)=0

either

b=3 or b=1

.

2n^2 + 7 = -4n + 5

2n²+4n+7-5=0

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2(n²+2n+1)=0

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x - 3x^2 = 5+ 2x - x^2

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2x²+x+5=0

comparing above equation with ax²+bx +c we get

a=2

b=1

c=5

x={-b±√(b²-4ac)}/2a ={-1±√(1²-4×2×5)}/2×1

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3 years ago
Connor rolled a die 6 times. A 2 occurred three times. Why isn't the theoretical probability 3/6 instead of 1/6?​
Cerrena [4.2K]

2 occurred 3times

\\ \sf\longmapsto S=6\times 3=18

\\ \sf\longmapsto |S|=18

Now

\\ \sf\longmapsto E=No\:of\:times\: 2\:occured

\\ \sf\longmapsto |E|=3

we know

\boxed{\sf P(E)=\dfrac{|E|}{|S|}}

\\ \sf\longmapsto P(E)=\dfrac{3}{18}

\\ \sf\longmapsto P(E)=\dfrac{1}{6}

6 0
3 years ago
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