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Aleks [24]
2 years ago
15

I finished this, but can you please check whether I am right, thank you! (I submitted screenshots, and the marked answers are th

e ones I selected.)

Mathematics
2 answers:
shutvik [7]2 years ago
6 0

Answer:

0.9721

Step-by-step explanation:

Your multiple choice answers are correct.

For problem 2, we'll use error estimation:

1/(n+1)⁵ < 0.0001

(n+1)⁵ > 10000

n+1 > 6.3

n > 5.3

n = 6

We need to sum the first 6 terms.

∑₁⁶ (-1)ⁿ⁺⁵ / n⁵

= 1/1⁵ − 1/2⁵ + 1/3⁵ − 1/4⁵ + 1/5⁵ − 1/6⁵

≈ 0.9721

Katena32 [7]2 years ago
5 0

Answer:

looks good!

Step-by-step explanation:

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Answer:

a) The Venn diagram is presented in the attached image to this answer.

b) 0.82

c) 0.16

Step-by-step explanation:

a) The Venn diagram is presented in the attached image to this answer.

n(U) = 100%

n(S) = 48%

n(B) = 66%

n(H) = 38%

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The specific breakdowns for each subgroup is calculated on the Venn diagram attached.

b) The probability that a randomly selected student likes basketball or hockey.

P(B U H)

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n(B U H) = n(S' n B n H') + n(S' n B n H) + n(S n B n H') + n(S n B n H) + n(S n B' n H) + n(S' n B' n H) = 26 + 10 + 18 + 12 + 16 + 0 = 82%

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c) The probability that a randomly selected student does not like any of these sports.

P(S' n B' n H')

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P(S' n B' n H') = 16/100 = 0.16

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