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Vaselesa [24]
3 years ago
7

What is the value of x

Mathematics
2 answers:
Alenkasestr [34]3 years ago
6 0

Answer:

i Think its 15 because the angles are the same

Step-by-step explanation:

Mark me brainliest if im right!  please

xxMikexx [17]3 years ago
3 0

Answer:

15?

Step-by-step explanation:

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The number of phone calls that Actuary Ben receives each day has a Poisson distribution with mean 0.1 during each weekday and me
Dovator [93]

Answer:

There is a 0.73% probability that Ben receives a total of 2 phone calls in a week.

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 time interval.

The problem states that:

The number of phone calls that Actuary Ben receives each day has a Poisson distribution with mean 0.1 during each weekday and mean 0.2 each day during the weekend.

To find the mean during the time interval, we have to find the weighed mean of calls he receives per day.

There are 5 weekdays, with a mean of 0.1 calls per day.

The weekend is 2 days long, with a mean of 0.2 calls per day.

So:

\mu = \frac{5(0.1) + 2(0.2)}{7} = 0.1286

If today is Monday, what is the probability that Ben receives a total of 2 phone calls in a week?

This is P(X = 2). So:

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

P(X = 2) = \frac{e^{-0.1286}*0.1286^{2}}{(2)!} = 0.0073

There is a 0.73% probability that Ben receives a total of 2 phone calls in a week.

3 0
3 years ago
Hugo is buying DVDs that cost $15 each. He has a coupon for $5 off his
QveST [7]

Answer: 85

Step-by-step explanation: 15 × 6= 90 - 5=  85

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3 years ago
Use the distributive property to simplify the expression: -4(4x + 3) + (7x - 2)
Elodia [21]
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3 years ago
Janice lost a total of 24 points on her math test. Each question she answered incorrectly was a loss of 3 points. How many quest
NARA [144]

Answer:

let

tp=total points lost

l= points lost

q= question

tp=24

l= 3

if l= 3 and tp= 24 den q= tp÷l

24÷3=8

3 0
3 years ago
Read 2 more answers
Please help I will do brainliest
yaroslaw [1]

Answer:

yo can i have brainliest???

Step-by-step explanation:

pls it will be a bro moment

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3 years ago
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