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Lady bird [3.3K]

2 years ago

7

according to the Food and Drug Administration, the recommended daily intake of iron is 18 mg. This is 4 less than twice the reco

mmended daily intake of zinc. What is recommended daily intake of zinc

1 answer:

Law Incorporation [45]2 years ago

6 0

The intake of zinc would be 11

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PLEASE HELP ME with an explanation. Thanks in advance

REY [17]

Answer:

3) 0.30

The probability a randomly selected<em> student plays a sport</em> given they work part time = 0.30

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given 'A' plays a sport

B work part time

Given P(A) = 0.48

P(B) = 0.40

P(A∩B) =0.12

P(A∪B)¹ =0.24

<u><em>Step(ii)</em></u>:-

By using conditional probability

$P(B/A) = \frac{P(BnA}{P(A)}$

and similarly $P(A/B) = \frac{P(AnB}{P(B)}$

The probability a randomly selected<em> student plays a sport</em> given they work part time

Now $P(A/B) = \frac{P(AnB}{P(B)}$

$P(A/B) = \frac{0.12}{0.40}= 0.30$

<u>Final answer</u>:-

The probability a randomly selected<em> student plays a sport</em> given they work part time = 0.30

8 0

3 years ago