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2 years ago

Pls help i dont get it much

Mathematics

1 answer:

Doss [256]2 years ago

3 0

Answer:

Fraction Decimal Percent

111/250 = 0.444 = 44.4%

5/100 = 0.05 = 5%

2/3 = 0.66 = 666%

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Forahigh-riskdriver,thetimeindaysbetweenthe beginning of a year and an accident has an exponential pdf. Suppose an insurance com

beks73 [17]

Answer:

The probability that such a driver will be involved in an accident during the first seventy-five days of the year is 0.408

Step-by-step explanation:

Consider the provide information.

The probability that such a driver will be involved in an accident in the first forty days is 0.25.

Therefore, $P(X\leq 40)=0.25$

Where is X represents the random variable that shows time between beginning of a year and an accident.

X is the exponential distribution with λ as a parameter.

$P(X\leq x)=1-e^{-\lambda x}, x\geq 0$

Therefore,

$P(X\leq 40)=1-e^{-40\lambda}$

$1-e^{-40\lambda}=0.25$

$e^{-40\lambda}=0.75\\-40\lambda=ln(0.75)\\\lambda=0.00719\approx0.007192$

Now we want the probability that a driver will be involved in an accident during the first seventy five days.

$P(X\leq 75)=1-e^{-75\times 0.0072}=0.408$

Hence, the probability that such a driver will be involved in an accident during the first seventy-five days of the year is 0.408

5 0

2 years ago

Find the smallest number which can be multiplied by 112 to give a square number

Mademuasel [1]

Answer:

That is 7.

Step-by-step explanation:

112 = 2*2*2*2*7

So the smallest number is 7.

2*2*2*2*7*7 is a square number.

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3 years ago

Brainly if correct

12345 [234]

Answer:

First you add all of the results together for a sum of 243. Then, you divide that sum, 243 by 10, the number of results in total. That means the average weight of 10 random raccoons out of 150 raccoons in that wildlife preserve, is 24.3 pounds. Her statement is not reasonable because Jean stated the average weight of ALL raccoons is 25 pounds.

Step-by-step explanation:

hope this helps :)

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2 years ago

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Write cot(t) in terms of sin(t) if the terminal point determined by t is in the fourth quadrant. do not leave a fraction inside

Leona [35]

Cot(t)= cos(t) / sin(t)
Cos(t) = sqrt(1 - sin^2(t) ) But this is in quad 4, so sin(t) <0
cot(t) = sqrt(1 -sin^2(t)) / - sint(t)
cot(t) = - sqrt( 1 - sin^2(t) ) / sin(t)

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3 years ago

What is 1/4 converted to

jeyben [28]

Like into a percentage or?

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3 years ago

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