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3 years ago

I need help on this maybe asap. its been a long day.

Mathematics

2 answers:

Wewaii [24]3 years ago

7 0

Uhuhuhuhuhuhuhuhuhuh

aivan3 [116]3 years ago

5 0

Answer:

yoo thanks u the goat

Step-by-step explanation:

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Step-by-step explanation:

Answered By Huntermike976

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Please mark brainliest

Have a good day

4 0

3 years ago

Forty percent of the homes constructed in the Quail Creek area include a security system. Three homes are selected at random: Wh

suter [353]

Answer: 0.064

Step-by-step explanation:

Binomial probability formula :-

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

Given : The proportion of the homes constructed in the Quail Creek area include a security system : $p=0.40$

Now, if three homes are selected at random, then the probability all three of the selected homes have a security system is given by :-

$P(3)=^3C_3 \ (0.40)^3\ (1-0.40)^{3-3}\\\\=(0.40)^3=0.064$

Hence, the probability all three of the selected homes have a security system = 0.064

6 0

3 years ago