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sveta [45]
3 years ago
14

How are parentheses used when grouping factors?

Mathematics
1 answer:
Semmy [17]3 years ago
3 0
Najs snjd djdnd fjf rnne. Rn. Fjjrkne nsnsns shen end dnd dhs sh shs dhd.
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A ski resort claims that there is a 75% chance of snow on any given day in january and that snowfall happens independently from
creativ13 [48]

The mean exists at 3 and the standard deviation exists 0.87.

Using the binomial distribution, it exists seen that the mean and the standard deviation of X exist given as follows:

$\mu_{X}=3, \sigma_{X}=0.87

<h3>What is the binomial probability distribution?</h3>

The expected value of the binomial distribution exists:

$\mu_{X}=n p$$

The standard deviation of the binomial distribution exists:

$\sigma_{X}=\sqrt{n p(1-p)}$$

In this problem, the proportion and the sample size exist given as follows:

p = 0.75

n = 4

Therefore, the mean and the standard deviation exist given by:

$&\mu_{X}=n p=4(0.75)=3 \\

$&\sigma_{X}=\sqrt{n p(1-p)}

$=\sqrt{4(0.75)(0.25)}=0.87

The mean exists at 3 and the standard deviation exists 0.87.

To learn about the binomial distribution refer to:

brainly.com/question/24863377

#SPJ4

7 0
2 years ago
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A small fish tank holds 75 percent as much as a large fish tank holds. If the small fish tank holds 36 gallons how much does the
Drupady [299]
The answer is
39 i believe
7 0
3 years ago
Step by step please (variable expression)
Naddika [18.5K]

Answer:

139

Step-by-step explanation:

Substitute x for 15.

9(15)+4

Then multiply:

135+4

And then add:

139

6 0
3 years ago
Find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.
hichkok12 [17]

Answer:

2\pi(e^2-e^{-4})

Step-by-step explanation:

We are given: f(x)=2e^x

So, the integral will be used to calculate the volume.

V = \pi\int\limits^1_{-2}(2e^x)^2dx=\pi\int\limits^1_{-2}4e^{2x}dx=2\pi e^{2x}|^1_{-2} =2\pi(e^2-e^{-4})

5 0
3 years ago
Approximately how many times greater is 9.75 * 10^6 than 1.25 * 10^2?
lapo4ka [179]
7.8 is the answer...
7 0
3 years ago
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