3 years ago

Please explain how to solve

Mathematics

1 answer:

Nezavi [6.7K]3 years ago

8 0

You are correct stuck with that

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Work Shown:

L/100 = 15/5

5L = 100*15

5L = 1500

L = 1500/5

L = 300

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Set each answer up equal to the question, solve and see if the two numbers you end up with are equal, if not try the next answer!

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A book can be classified as either non dash fiction or fiction. Suppose that 87% of books are classified as fiction. (a) Two b

Mnenie [13.5K]

Answer:

0.7569, 0.5729,0.4371

Step-by-step explanation:

Given that the books are of only two types either non dash fiction or fiction.

Also probability of selecting a fiction = 0.87 = p

X - no of books fiction selected is binomial with p = 0.87 and n =2

(since each trial is independent of the other and there are only two trials)

a) the probability that both books are fiction=

$P(X=2) = 0.87^2 = \\0.7569$

b) Here n =4 with same p.

$P(X=4) =0.87^4 \\= 0.5729$

c) Prob atleast one is non dash fiction = $P(X< 4)\\= 1-P(X=4)\\=1-0.87^4\\=0.4371$

This is not unusual since 0.4371 probability is not nearer to 0 it is almost half.

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4 years ago

Approximate the real number solution(s) to the polynomial function f(x) = x3 − 4x2 + x + 6.

vredina [299]

C is the answer. Solutions to a polynomial are numbers that, when plugged into the equation, make the equation equal zero

So if you plug 3, -1, or 2 into x^3 - 4x^2 + x + 6, it will equal zero.

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3 years ago

Please explain how to solve​

Please explain how to solve