3 years ago

Consider the inequality -20.2 > 0y. Which of the following must be true? Check all that apply.

Mathematics

1 answer:

Lunna [17]3 years ago

5 0

Answer:

1. You cannot divide by zero.

2. The inequality is equivalent to -20.2 > 0, which is false.

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Below is a probability distribution for the number of failures in an elementary statistics course. X 0 1 2 3 4 P(X=x) 0.41 0.18

faust18 [17]

Answer:

a) P(X=2)= 0.29

b) P(X<2)= 0.59

c) P(X≤2)= 0.88

d) P(X>2)= 0.12

e) P(X=1 or X=4)= 0.24

f) P(1≤X≤4)= 0.59

Step-by-step explanation:

a) P(X=2)= 1 - P(X=0) - P(X=1) - P(X=3) - P(X=4)= 1-0.41-0.18-0.06-0.06= 0.29

b) P(X<2)= P(X=0) + P(X=1)= 0.41 + 0.18 = 0.59

c) P(X≤2)= P(X=0) + P(X=1) + P(X=2)=0.41+0.18+0.29= 0.88

d) P(X>2)=P(X=3) + P(X=4)=0.06+0.06= 0.12

e) P(X=1 or X=4)=P(X=1 ∪ X=4) = P(X=1) + P(X=4)=0.18+0.06= 0.24

f) P(1≤X≤4)=P(X=1) + P(X=2) + P(X=3) + P(X=4)=0.18+0.29+0.06+0.06= 0.59

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yaroslaw [1]

Answer:

Step-by-step explanation:

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3 years ago

Ben bowled 124 and 188 in his first two games. What must he bowl in his third game to have an average of at least 160?

Svetlanka [38]

Answer:

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Step-by-step explanation:

(124 + 188 + x) / 3 ≥ 160 => 312 + x ≥ 480 => x ≥ 480 - 312 ≥ 168

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3 years ago

The expression 16^-3/4 is equivalent to what expression

ivann1987 [24]

Answer:

1/8.

Step-by-step explanation:

16^-3/4

= (⁴√16)^-3

= 2^(-3)

= 1 / 2^3

= 1/8.

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