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Neporo4naja [7]
3 years ago
6

A cd has 5% chance of being a smash hit an profiting $5.2 million a 50% chance of being a modest success and profiting $0.9 mill

ion and a 45% chance of being a flop what is the expected earning value of the cd
Mathematics
1 answer:
Aleksandr [31]3 years ago
3 0

Answer:

710,000

Step-by-step explanation:

P(S) = Probability of Smash = 0.05 (5%)

P(M) = Probability of Modest = 0.5 (50%)

P(F) = Probability of Flop = 0.45 (45%)

Use the discrete random variable model,

E(X) = (0.05 * 5.2) + (0.5 * 0.9) + (0.45 * 0)

= 0.26 + 0.45 + 0 = 710,000

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Answer:

√30-√18+√55-√33/2

Step-by-step explanation:

What is the following quotient? sqrt6+sqrt11/sqrt5+sqrt3​

Given the expression

√6+√11/√5+√3

Rationalize

√6+√11/√5+√3 × √5-√3/√5-√3

= √30-√18+√55-√33/√25-√9

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3 years ago
Solve the equation. Then check your solution
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Answer:

  • Option <u>B </u>is correct i.e. <u>2</u><u>1</u>

Step-by-step explanation:

In the question we're provided with an equation that is :

  • v/7 = 3

And we are asked to find the solution for the equation .

<u>Solution</u><u> </u><u>:</u><u> </u><u>-</u>

<u>\longrightarrow \:  \frac{v}{7}  = 3</u>

Multiplying by 7 on both sides :

\longrightarrow \: \frac{v}{ \cancel{7} }\times  \cancel{7}  = 3 \times 7

On further calculations , we get :

\longrightarrow \:  \blue{\boxed{v = 21}}

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<u>Verifying</u><u> </u><u>:</u>

We are verifying our answer by substituting value of v in the equation given in question :

\longrightarrow \: \frac{v}{7}  = 3

Putting value of v :

\longrightarrow \:  \cancel{\frac{21}{7}}  = 3

By dividing 21 with 7 , we get :

\longrightarrow \:3 = 3

\longrightarrow \: L.H.S=R.H.S

\longrightarrow \: Hence , \: Verified.

  • <u>Therefore</u><u> </u><u>,</u><u> </u><u>our </u><u>answer</u><u> is</u><u> valid</u><u> </u><u>.</u>

<h2><u>#</u><u>K</u><u>e</u><u>e</u><u>p</u><u> </u><u>Learning</u></h2>
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