The question is below please help by monday

Mathematics

1 answer:

g100num [7]1 year ago

5 0

Where are the options

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The number of text messages sent daily by a student is a poisson random variable with parameter λ=5 .in a class with 20 independ

Rudik [331]

This problem is a combination of the Poisson distribution and binomial distribution.

First, we need to find the probability of a single student sending less than 6 messages in a day, i.e.
P(X<6)=P(X=0)+P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)
=0.006738+0.033690+0.084224+0.140374+0.175467+0.175467
= 0.615961

For ALL 20 students to send less than 6 messages, the probability is
P=C(20,20)*0.615961^20*(1-0.615961)^0
=6.18101*10^(-5) or approximately
=0.00006181

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3 years ago

What is the difference between plotting (2, 3) and (3,2) on a coordinate plane? Explain

Lunna [17]

Answer:

Step-by-step explanation:

2,3 has I lower unit than 3,2 let’s say that we plot it we see that 2,3 is lower down 3,2 :)

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2 years ago

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Indicate the data relationship for each table. If each is, directly proportional or non-proportional

Alla [95]

It’s nonporportiniol sorry if it’s spelled wrong lol

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2 years ago

Carl is paid $10 plus $8 an hour he was paid $66 how many hours did he work?

loris [4]

10+8h=66
minus 10 both sides
8h=56
divide both sides by 8
h=7
worked 7 hours

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3 years ago

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These ordered pairs, {(2,4) (3,6) (4,8) (5,10)}, are a function. True False

ki77a [65]

Answer:

True

Step-by-step explanation:

In order for a relation (a set of ordered pairs) to be considered a function, every value in the domain (the set of all the first numbers in the pair) is associated with one value in the range (the set of all second numbers in the pair). This is easiest to see visually. Our domain is the set {2, 3, 4, 5} and our range is the set {4, 6, 8, 10}, and we can visualize the ordered pair (2, 4) as an "arrow" starting a 2 in the domain and ending at 4 in the range. When seen this way, a relation is a function if every value in the domain only has one arrow coming out of it. We can see from the attached picture that the ordered pairs in the problem are a function, so this statement is true.

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3 years ago