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aev [14]
3 years ago
15

A kite was flying 50 ft high from ground level. Suddenly it loses 20 ft in height due to wind.

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
5 0

Answer:

30ft

Step-by-step explanation:

50- 20 = 30

hope it helps!

lesantik [10]3 years ago
5 0

Answer:

30 ft

Step-by-step explanation:

50 ft - 20 ft = 30 ft

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andriy [413]

Answer:

Explained below.

Step-by-step explanation:

Denote the variable as follows:

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N = did not ate breakfast

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Compute the probability that a randomly selected student ate breakfast as follows:

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(c)

Compute the probability a randomly selected student is male, given that the student ate breakfast as follows:

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(d)

Compute the probability that a randomly selected student ate breakfast, given that the student is male as follows:

P(Y|M)=\frac{n(Y\cap M)}{n(M)}\\\\=\frac{77}{154}\\\\=0.50

(e)

Compute probability of the student selected "is male" or "did not eat breakfast" as follows:

P(M\cup N)=P(M)+P(N)-P(M\cap N)\\\\=\frac{n(M)}{N}+\frac{n(N)}{N}-\frac{n(M\cap N)}{N}\\\\=\frac{n(M)-n(N)-n(M\cap N)}{N}\\\\=\frac{154+132-77}{330}\\\\=0.633

(f)

Compute the probability of "is male and did not eat breakfast as follows:

P(M\cap N)=\frac{n(M\cap N)}{N}\\\\=\frac{77}{330}\\\\=0.233

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Answer:

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Step-by-step explanation:

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3 years ago
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