3 years ago

Help me it’s my exam test

Mathematics

2 answers:

lana66690 [7]3 years ago

4 0

Answer:

Im sorry but don't cheat.

Step-by-step explanation:

hodyreva [135]3 years ago

3 0

Answer: C July

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Use binomial probability:

P = nCr p^r q^(n-r)

where n is the number of trials,

r is the number of successes,

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and q is the probability of failure (1-p).

Here, n = 8, r = 7, p = 0.8, and q = 0.2.

P = ₈C₇ (0.8)⁷ (0.2)⁸⁻⁷

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Rudiy27

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Step-by-step explanation:

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