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3 years ago

A series of books has 30 volumes, each with 700 pages. What is the total number of pages in the series?

Mathematics

1 answer:

elena55 [62]3 years ago

7 0

Answer:

Step-by-step explanation:

Here we have to multiply to find the total...

30 volumes, then each individual book with 700 pages, therefore, the answer would be 21,000 pages

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Dwayne hikes 60 miles in 3 days. At that rate, how many days does it take him to hike a total of 240 miles

NNADVOKAT [17]

12 days. 60 is a quarter of 240. So, multiply 60 by 4 to get 240.

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3 years ago

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Past records indicate that the probability of online retail orders that turn out to be fraudulent is 0.08. Suppose that, on a gi

Sunny_sXe [5.5K]

Answer:

The probability that there are 2 or more fraudulent online retail orders in the sample is 0.483.

Step-by-step explanation:

We can model this with a binomial random variable, with sample size n=20 and probability of success p=0.08.

The probability of k online retail orders that turn out to be fraudulent in the sample is:

$P(x=k)=\dbinom{n}{k}p^k(1-p)^{n-k}=\dbinom{20}{k}\cdot0.08^k\cdot0.92^{20-k}$

We have to calculate the probability that 2 or more online retail orders that turn out to be fraudulent. This can be calculated as:

$P(x\geq2)=1-[P(x=0)+P(x=1)]\\\\\\P(x=0)=\dbinom{20}{0}\cdot0.08^{0}\cdot0.92^{20}=1\cdot1\cdot0.189=0.189\\\\\\P(x=1)=\dbinom{20}{1}\cdot0.08^{1}\cdot0.92^{19}=20\cdot0.08\cdot0.205=0.328\\\\\\\\P(x\geq2)=1-[0.189+0.328]\\\\P(x\geq2)=1-0.517=0.483$

The probability that there are 2 or more fraudulent online retail orders in the sample is 0.483.

5 0

3 years ago

Pls can you help me here PLSSSS. it would mean a lot for me.

VLD [36.1K]

Answer:

27.183m. squared

Step-by-step explanation:

Find the base, then find the volume

Base:

(2.6*4.1*0.5)=

(10.66*0.5)=

5.33

Volume:

(5.33*5.1)=

27.183

Hope that this helped!

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3 years ago

What is the overlap of Team 1 and Team 2?

zaharov [31]

Answer:

low yup yup yup

Step-by-step explanation:

yeah it's a low

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How do i solve this problem -1

balu736 [363]

It a negative 1 because when have the - sign it a negative number

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2 years ago