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KiRa [710]
3 years ago
7

HELP. WHAT'S THE CORRECT ANSWER?

Mathematics
1 answer:
Over [174]3 years ago
5 0

pls vote me brainle est i dont think you put picture

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The number of lightning strikes in a year at the top of a particular mountain has a poisson distribution with a mean of 3.8. fin
atroni [7]

Let X be the number of lightning strikes in a year at the top of particular mountain.

X follows Poisson distribution with mean μ = 3.8

We have to find here the probability that in randomly selected year the number of lightning strikes is 0

The Poisson probability is given by,

P(X=k) = \frac{e^{-mean} mean^{x}}{x!}

Here we have X=0, mean =3.8

Hence probability that X=0 is given by

P(X=0) = \frac{e^{-3.8} 3.8^{0}}{0!}

P(X=0) = \frac{0.02237 * 1}{1}

P(X=0) = 0.0224

The probability that in a randomly selected year, the number of lightning strikes is 0 is 0.0224

5 0
3 years ago
A gallon of Moo Milk costs $5.12. What is the price, in dollars, of an 8 ounce glass of Moo Milk? There are 128 ounces in 1 gall
Trava [24]
<h2>Answer:</h2>

$0.32.

<h2>Explanation:</h2>

1 gallon = 128 fluid ounces.

So to find the price of an 8 ounce glass of Moo Milk we need to multiply (8/128) x 5.12.

That equals $0.32.

6 0
3 years ago
Read 2 more answers
Does any body know this?? plss help
slega [8]

sorry ill give points back

it's this tally/nathan?

8 0
3 years ago
Line A has an equation of y=-2/5x + 3. What is the slope of a line perpendicular
Nat2105 [25]

Answer:

\frac{5}{2}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - \frac{2}{5} x + 3 ← is in slope- intercept form

with slope m = - \frac{2}{5}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{2}{5} } = \frac{5}{2}

5 0
3 years ago
Simplify the expression fraction with numerator of the square root of negative one and denominator of the quantity three plus ei
Ainat [17]
The right answer for the question that is being asked and shown above is that: "fraction with numerator negative 3 minus i and denominator 10." This is the simplified expression fraction with numerator of the square root of negative one and denominator of the quantity three plus eight times i minus the <span>quantity two plus five times i.</span>
5 0
4 years ago
Read 2 more answers
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