Two coins are tossed 1000 times and the outco | vedclass

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(A) Total number of times the two coins are tossed $= 1000$.Let $E$ be the event of getting at most one head,which means getting either $0$ head or $1

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$\frac{4}{5}$

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(A) Total number of times the two coins are tossed $= 1000$.Let $E$ be the event of getting at most one head,which means getting either $0$ head or $1$ head.The number of times $E$ occurs is the sum of the frequencies of getting $0$ head and $1$ head.Number of times $E$ happens $= 250 + 550 = 800$.The probability $P(E)$ is given by the ratio of the number of favorable outcomes to the total number of trials.$P(E) = \frac{800}{1000} = \frac{8}{10} = \frac{4}{5}$.

Number of heads	$2$	$1$	$0$
Frequency	$200$	$550$	$250$

Two coins are tossed $1000$ times and the outcomes are recorded as below:

Number of heads $2$ $1$ $0$

Frequency $200$ $550$ $250$

Based on this information,the probability for at most one head is

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Two coins are tossed $1000$ times and the outcomes are recorded as below: Number of heads $2$ $1$ $0$ Frequency $200$ $550$ $250$ Based on this information,the probability for at most one head is