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dybincka [34]
2 years ago
14

Darnell's team scored 40 points at the game. Darnell scored 15% of the team's points. How many points did Darnell score?

Mathematics
1 answer:
Zina [86]2 years ago
3 0

Answer:

Darnel scored 6 points

Step-by-step explanation:

15% of 40 can be written as 40 * 0.15 which is 6. Darnell scored 6 points.

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If Karri takes a 7 question true false test and guess on every question, what is the
dusya [7]

Answer:

The  probability that she gets all 7 questions correct is 0.0078.

Step-by-step explanation:

We are given that Karri takes a 7 question true-false test and guess on every question.

The above situation can be represented through binomial distribution;

P(X = r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r} ; x = 0,1,2,3,........        

where, n = number of samples (trials) taken = 7 question

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            p = probability of success which in our question is probability that

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Let X = <u><em>Number of question that are correct</em></u>

So, X ~ Binom(n = 7, p = 0.50)

Now, the  probability that she gets all 7 questions correct is given by = P(X = 7)

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                        =  1 \times 0.50^{7} \times 0.50^{0}

                        =  <u>0.0078</u>

6 0
3 years ago
John is making himself a lunch. He has three different soups to choose from, four different kinds of pop, and three different ki
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Step-by-step explanation:

-4/7+(-4/3)

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The ratio of girls to boys in a class is 5 to 4 if there are 20 boys then how many total students are in class
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answer:

36

explanation to answer:

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