Skybil1204
13.12.2021 •
Mathematics
Beatrice has two coins. The first coin is fair and the second coin is biased. The biased coin comes up heads with probability 2/3 and tails with probability 1/3. Beatrice selects one of the two coins at random and flips the selected coin 4 times. The result is HHTH. What is the probability that the fair coin was selected?
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Ответ:
3 boxes of candy
Step-by-step explanation:
$20.00 = $10.50 + 3(b)
3*3 = $9.00
$10.50 + $9.00 = $19.50
$20.00 - $19.50 = $0.50
($0.50 is the reminder).
Have a great day, all!!