A school has an equal number of boys and girls. You use a coin to simulate the first three students to arrive at school each day, where "heads" represents a boy and "tails" represents a girl. The table below shows a sample of 20 coin tosses

Question

anonymous · Answer

attachment

anonymous · Answer

will someone help me I really don't get this

anonymous · Answer

@welshfella

welshfella · Answer

it just means that on day 1 for instance  the coin tosses were THT
which represent  a girl, a boy and a girl arriving in school in that order.

anonymous · Answer

A. 3/20
B. 1/5
C. 3/10
D. 1/4

welshfella · Answer

what is the question?

anonymous · Answer

A school has an equal number of boys and girls. You use a coin to simulate the first three students to arrive at school each day, where "heads" represents a boy and "tails" represents a girl. The table below shows a sample of 20 coin tosses

anonymous · Answer

attachment

welshfella · Answer

that just tells you about the experiment. What is the question?

anonymous · Answer

Find the experimental probability that the first three students to arrive at school are boys

anonymous · Answer

DO U STILL NEED HELP

anonymous · Answer

yes

welshfella · Answer

OK  count the number occurrences of HHH  ( which represents  3 boys arriving first)

anonymous · Answer

H H H = 3

welshfella · Answer

ok now the probability you want is this number  divided by the total number of coin tosses which is 20

triciaal · Answer

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