Answer Please!!! :) Express 2 2/5 As A Decimal Number!!!

Mathematics

1 answer:

barxatty [35]3 years ago

8 0

The decimal 2 2/5 is 2.4

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A ping pong ball is drawn at random from an urn consisting of balls numbered 2 through 10. A player wins 1 dollar if the number

choli [55]

Answer:

The expected value is defined as:

EV = ∑xₙ*pₙ

Where xₙ represents the n-th event, and pₙ is the probability of that event.

Now, the events are:

The possible outcomes are: {2, 3, 4, 5, 6, 7, 8, 9, 10} 9 in total.

Winning $1, when the number is odd. The outcomes in this case are: {3. 5. 7. 9}

4 out of 9, then the probability is p = 4/9.

Lossing $1 when the number is even. The outcomes in this case are {2, 4, 6, 8, 10}

5 out of 9, the probability is p = 5/9.

Then the expected value is:

EV = (4/9)*$1 - (5/9)*$1 = (-1/9)*$1 = -$0.11...

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4 years ago

The probability distribution of the number of loaves of bread sold in a bakery in a week based on past data is given below. Iden

Tpy6a [65]

Answer:

$E(X) = 100*0.25+ 148*0.36 + 135*0.21 + 200*0.18 = 142.63$

And for this case the expected value for this random variable is given by 142.63 and rounded to the nearest integer we got 143. And that represent the number of loaves of bread sold for one week

Step-by-step explanation:

For this case we have the following distirbution given:

X: 100 148 135 200

P(X): 0.25 0.36 0.21 0.18

The expected value is given by:

$E(X) = \sum_{i=1}^n X_i P(X_i)$

And replacing we got:

$E(X) = 100*0.25+ 148*0.36 + 135*0.21 + 200*0.18 = 142.63$

And for this case the expected value for this random variable is given by 142.63 and rounded to the nearest integer we got 143. And that represent the number of loaves of bread sold for one week

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3 years ago

Ryan made small<br> cherry pies with<br> a diameter of 2<br> in. What was the<br> area of one pie?

Kisachek [45]

Answer:

area of one pie : πr² = π d²/4 = π× 2²/4 = π ≈ 3.14

3 0

3 years ago

Read 2 more answers

Find the 3rd term in the sequence

lutik1710 [3]

C₂ = c₁ - 16 = 6 - 16 = -10
c₃ = c₂ - 16 = -10 - 16 = -26