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aleksklad [387]
3 years ago
10

Its please excuse my dear aunt sally if yall know any of that (32-4)*5*(10+22)

Mathematics
2 answers:
Marina CMI [18]3 years ago
5 0
Complete the brackets first and then multiply it all.
28x5x32= 4480
frosja888 [35]3 years ago
5 0
Here, It would be: (32 - 4) * 5 * (10 + 22)
= 28 * 5 * 32
= 140 * 32
= 4480

In short, Your Answer would be 4480

Hope this helps!
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One side of a triangle measures 10 inches. Which could be the measures of the other 2 sides of the triangle?
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What is the value of the expression? 8.5 - (-4.8) - 7
marysya [2.9K]

Answer:

6.3

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8.5 - (-4.8)

Let's focus on - (-4.8)

if a negative number is subtracted, it reverses itself

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So we change the equation to

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2 years ago
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3 years ago
A website manager has noticed that during the evening​ hours, about 5 people per minute check out from their shopping cart and m
Over [174]

Answer:

a) Poisson distribution

b) 99.33% probability that in any one minute at least one purchase is​ made

c) 0.05% probability that seven people make a purchase in the next four ​minutes

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.

5 people per minute check out from their shopping cart and make an online purchase.

This means that \mu = 5

a) What model might you suggest to model the number of purchases per​ minute? ​

The only information that we have is the mean number of an event(purchases) in a time interval. Each event is also independent fro each other. So you should suggest the Poisson distribution to model the number of purchases per​ minute.

b) What is the probability that in any one minute at least one purchase is​ made? ​

Either no purchases are made, or at least one is. The sum of the probabilities of these events is 1. So

P(X = 0) + P(X \geq 1) = 1

We want to find P(X \geq 1)

So

P(X \geq 1) = 1 - P(X = 0)

In which

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

P(X = 0) = \frac{e^{-5}*(5)^{0}}{(0)!} = 0.0067

1 - 0.0067 = 0.9933.

99.33% probability that in any one minute at least one purchase is​ made

c) What is the probability that seven people make a purchase in the next four ​minutes?

The mean is 5 purchases in a minute. So, for 4 minutes

\mu = 4*5 = 20

We have to find P(X = 7).

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

P(X = 0) = \frac{e^{-20}*(20)^{7}}{(7)!} = 0.0005

0.05% probability that seven people make a purchase in the next four ​minutes

8 0
3 years ago
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