1. Write 1/5 as a decimal

Mathematics

1 answer:

bija089 [108]2 years ago

7 0

Answer:

1.5

1.5%

10/0

7/20

35.1%

8.20%

8.20

Step-by-step explanation:

there u go

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kykrilka [37]

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A company that produces fine crystal knows from experience that 17% of its goblets have cosmetic flaws and must be classified as

Alex73 [517]

Answer:

0.3891 = 38.91% probability that only one is a second

Step-by-step explanation:

For each globet, there are only two possible outcoes. Either they have cosmetic flaws, or they do not. The probability of a goblet having a cosmetic flaw is independent of other globets. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

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

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