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3 years ago

9

Need help!!!! Please

1 answer:

ohaa [14]3 years ago

5 0

Your answer is 3 2/3 ; 11/3
You had to count the number of wholes, 3, then add the thirds which was 2/3. This is because the rectangle is cut into We the, but can be simplified tothirds. Now, in the diagram, 2 out of the 3 rows are colored meaning 2/3 are colired. Thus, 3 wholes are colored and 2/3 . When you add them, you get 3 2/3. To make it improper, simply multiple 3 by the denominator and add the numerator. 3×3+2=11. Oh the. whole thing over 3.

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The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. What is the probability that,

professor190 [17]

Answer:

0.2103 = 21.03% probability that, in any seven-day week, the computer will crash less than 3 times.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given interval.

Mean of 0.6 times a day

7 day week, so $\mu = 7*0.6 = 4.2$

What is the probability that, in any seven-day week, the computer will crash less than 3 times? Round your answer to four decimal places.

$P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)$

In which

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

$P(X = 0) = \frac{e^{-4.2}*(4.2)^{0}}{(0)!} = 0.0150$

$P(X = 1) = \frac{e^{-4.2}*(4.2)^{1}}{(1)!} = 0.0630$

$P(X = 2) = \frac{e^{-4.2}*(4.2)^{2}}{(2)!} = 0.1323$

So

$P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0.0150 + 0.0630 + 0.1323 = 0.2103$

0.2103 = 21.03% probability that, in any seven-day week, the computer will crash less than 3 times.

3 0

3 years ago

What are whole numbers, integers, and rational numbers?

professor190 [17]

Answer:

Integers

Rational Numbers

Whole Numbers

In their respectful orders.

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4 years ago

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The expression means the product of 5 and the difference of three times r minus 10. If r = 4, the value of the expression is .

Morgarella [4.7K]

Answer:

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Step-by-step explanation:

"three times r" = 3r

"three times r minus ten" = 3r - 10

"product of 5 and the difference of three times r minus ten"

= 5 (3r - 10)

given that r = 4,

the expression becomes

5 (3r - 10)

= 5 [3(4) - 10]

= 5 [12 - 10]

= 5 (2)

= 10

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nasty-shy [4]

Answer:

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Step-by-step explanation:

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