Joey volunteers at a children's hospital as an Art Director. He brought 8 T-shirts for the children to decorate this week. 5 of the T-shirts are a size small. If Joey was in a rush to get to the hospital, and he randomly grabbed 4 T-shirts to decorate, what is the probability that all of them are small? Write your answer as a decimal rounded to four decimal places.._________
Q. Joey volunteers at a children's hospital as an Art Director. He brought 8 T-shirts for the children to decorate this week. 5 of the T-shirts are a size small. If Joey was in a rush to get to the hospital, and he randomly grabbed 4 T-shirts to decorate, what is the probability that all of them are small? Write your answer as a decimal rounded to four decimal places.._________
Calculate Probability First T-shirt: First, calculate the probability of picking a small T-shirt on the first try.There are 5 small T-shirts out of 8 total T-shirts.Probability for the first T-shirt = Number of small T-shirts / Total number of T-shirts = 85.
Calculate Probability Second T-shirt: Next, calculate the probability of picking a small T-shirt on the second try, given that the first T-shirt was small. Now there are 4 small T-shirts left and 7 T-shirts in total. Probability for the second T-shirt = 74.
Calculate Probability Third T-shirt: Then, calculate the probability of picking a small T-shirt on the third try, given that the first two T-shirts were small.Now there are 3 small T-shirts left and 6 T-shirts in total.Probability for the third T-shirt = 63.
Calculate Probability Fourth T-shirt: Finally, calculate the probability of picking a small T-shirt on the fourth try, given that the first three T-shirts were small.Now there are 2 small T-shirts left and 5 T-shirts in total.Probability for the fourth T-shirt = 52.
Multiply Probabilities: Multiply all the probabilities together to get the overall probability that all 4 T-shirts are small.Overall probability = (85)×(74)×(63)×(52).
Perform Calculation: Now, perform the calculation.Overall probability = (85)×(74)×(21)×(52)=(8×7×2×55×4×1×2)=56040.
Simplify Fraction: Simplify the fraction56040 to its lowest terms.56040=141.
Convert to Decimal: Convert the fraction to a decimal and round to four decimal places. 141 as a decimal is approximately 0.0714.
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