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3 years ago

11

Carlotta subscribes to the HotBurn music service. She can download no more than 11 song files per week. Carlotta has already dow

nloaded 8 song files this week. Write, solve, and graph an inequality to show how many more songs Carlotta can download.

1 answer:

il63 [147K]3 years ago

7 0

Y = number of songs she can still download
y + 8 ≤ 11
- 8 -8
------------
y ≤ 3

She can only download 3 more songs

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Answer:

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Step-by-step explanation:

I am going to solve this question treating these events as Venn probabilities.

I am going to say that:

Event A: Person has type A blood.

Event B: Person has Rh- factor.

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This means that $P(A) = 0.43$

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This means that $P(B) = 0.15$

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This means that $P(A \cup B) = 0.52$

a. Find the probability that a person has both type O blood and the Rh- factor.

This is

$P(A \cap B) = P(A) + P(B) - P(A \cup B)$

With what we have

$P(A \cap B) = 0.43 + 0.15 - 0.52 = 0.06$

0.06 = 6% probability that a person has both type O blood and the Rh- factor.

b. Find the probability that a person does NOT have both type O blood and the Rh- factor.

1 - 0.06 = 0.94

0.94 = 94% probability that a person does NOT have both type O blood and the Rh- factor.

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Answer:

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Step-by-step explanation:

Let

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Answer:

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Step-by-step explanation:

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