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Ede4ka [16]
3 years ago
8

Write a function rule. y is 9 less than the product of 8 and x.

Mathematics
1 answer:
cluponka [151]3 years ago
3 0

Answer:

dumyemimynumifgmfdhum

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Assuming that X is a binomial random variable with n = 10 and p = 0.25, find the probability, P for each of the following values
seropon [69]

Answer: a) 0.0584

b) 0.2816

c) 0.1877

d) 0.1877117

Step-by-step explanation:

The binomial probability formula :-

P(x)=^nC_xp^x(1-p)^{n-x}, where P(x) is the probability of getting success in x trials, n is total number of trials and p is probability of getting success in each trial.

Given : X is a binomial random variable with parameters :-

n = 10 and p = 0.25

\text{a) P(x=5)}= ^{10}C_{5}(0.25)^5(0.75)^5\\\\=252(0.25)^5(0.75)^5\approx0.0584

\text{b) P(x=2)}= ^{10}C_{2}(0.25)^2(0.75)^8\\\\=45(0.25)^2(0.75)^8\approx0.2816

\text{c) P(x=1)}= ^{10}C_{1}(0.25)^1(0.75)^9\\\\=(10)(0.25)^1(0.75)^9\approx0.1877

\text{d) P(x=9)}= ^{10}C_{9}(0.25)^1(0.75)^9\\\\=(10)0.25)^1(0.75)^9\approx0.1877117

8 0
3 years ago
Mary is twice as old as jean and seven years older than hazel. The sum of their ages is 53. How old is each person?
weeeeeb [17]

Answer:

Step-by-step explanation:

M = 2J

M = H + 7

M + J + H = 53

Then combine first two equations and solve in terms of J:

2J = H + 7 --> H = 2J - 7

Substitute for H & M in last equation:

2J + J + 2J - 7 = 53

5J - 7 = 53

5J = 60

J = 12

Then plug J into other equations:

M = 24

J =12

H = 17

4 0
3 years ago
A cup of broth can have 870 milligrams of salt, which is 30% of the recommended daily allowance. What is the recommended daily a
nataly862011 [7]
Hi.

Let's break this down:

870 mg / 0.30 (30%) = 2,900

so, recommend amount is 2,900 milligrams.

Hope this helps! :)
5 0
3 years ago
Multiply and simplify (3x 4) (x 1)
asambeis [7]
<span>(3x 4) (x 1)
=3*4
=12
[</span>All numbers multiplied by 1 will not change its original value ]
5 0
3 years ago
Read 2 more answers
Can someone help me please <br><br> Find the sum of -7m and 5m + 2
pochemuha

Answer:

0

Step-by-step explanation:

5 0
3 years ago
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