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umka2103 [35]
2 years ago
15

The 7th grade has 386 students. There are 32 more girls than boys in the grade how many boys are in the 7th grade

Mathematics
2 answers:
alexandr402 [8]2 years ago
8 0

Answer:

there are 161 boys and 225 girls.

Zolol [24]2 years ago
3 0

Answer: 177 boys are in 7th grade.

Step-by-step explanation:

386-32= 354

354/2=177

177 +32= 209

177 boys and 209 girls

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3 years ago
A basketball player has made​ 70% of his foul shots during the season. If he shoots 3 foul shots in​ tonight's game, what is the
yulyashka [42]

Answer:

There is a 34.3% probability that he makes all of the​ shots.

Step-by-step explanation:

For each foul shot that he takes during the game, there are only two possible outcomes. Either he makes it, or he misses. This means that we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

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And p is the probability of X happening.

In this problem we have that:

n = 3, p = 0.7

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This is P(X = 3).

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