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Serjik [45]
3 years ago
11

Which points are solutions to the linear inequality y < 0.5x + 2? Check all that apply.

Mathematics
2 answers:
hram777 [196]3 years ago
8 0

Answer:

The answers are numbers 1, 3, 5, and 6.

(-3,-2)   (–1, –2)   (1, –2)   (1, 2)

Step-by-step explanation:


marusya05 [52]3 years ago
4 0
Are you given choices?
Plug in the x- and y-coordinates of the given points.
The ones that make the inequality true are solutions.
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Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following p
drek231 [11]

Answer:

P(X=14)=(18C14)(0.8)^{14} (1-0.8)^{18-14}=0.2153

P(X=15)=(18C15)(0.8)^{15} (1-0.8)^{18-15}=0.2297

P(X=16)=(18C16)(0.8)^{16} (1-0.8)^{18-16}=0.1722

P(X=17)=(18C17)(0.8)^{17} (1-0.8)^{18-17}=0.0811

P(X=18)=(18C18)(0.8)^{18} (1-0.8)^{18-18}=0.0180

And adding the values we got:

P(X \geq 14)= 0.2153 +0.2297+0.1722+0.0811+0.0180=0.7164

Step-by-step explanation:

Assuming this question: P(X≥14), n=18, p=0.8

Previous concepts  

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".  

Solution to the problem

Let X the random variable of interest, on this case we now that:  

X \sim Binom(n=18, p=0.8)  

The probability mass function for the Binomial distribution is given as:  

P(X)=(nCx)(p)^x (1-p)^{n-x}  

Where (nCx) means combinatory and it's given by this formula:  

nCx=\frac{n!}{(n-x)! x!}  

And we want this probability:

P(X \geq 14) = P(X=14) +P(X=15) +P(X=16)+P(X=17)+P(X=18)

And we can find the individual proabilities using the probability mass function:

P(X=14)=(18C14)(0.8)^{14} (1-0.8)^{18-14}=0.2153

P(X=15)=(18C15)(0.8)^{15} (1-0.8)^{18-15}=0.2297

P(X=16)=(18C16)(0.8)^{16} (1-0.8)^{18-16}=0.1722

P(X=17)=(18C17)(0.8)^{17} (1-0.8)^{18-17}=0.0811

P(X=18)=(18C18)(0.8)^{18} (1-0.8)^{18-18}=0.0180

And adding the values we got:

P(X \geq 14)= 0.2153 +0.2297+0.1722+0.0811+0.0180=0.7164

5 0
3 years ago
How would you construct a histogram out of a stem and leaf plot
stira [4]
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The mystery number has:
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The mystery number will be 19.4596
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Neeeeeeeeed help please please
Liono4ka [1.6K]

Answer:

Step-by-step explanation:

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Not a math question but they dont have a PE subject (math nerd who dont know sports needs help)
eduard

Answer:

i think its cancellation the others don't make sense.

Step-by-step explanation:

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