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
| Number of heads | $2$ | $1$ | $0$ |
| Frequency | $200$ | $550$ | $250$ |
Based on this information,the probability for at most one head is
- A$\frac{4}{5}$
- B$\frac{1}{4}$
- C$\frac{1}{5}$
- D$\frac{3}{4}$
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Similar Questions
$A$ recent survey found that the ages of workers in a factory is distributed as follows:
Age (in years) $20-29$ $30-39$ $40-49$ $50-59$ $60$ and above Number of workers $38$ $27$ $86$ $46$ $3$
If a person is selected at random,find the probability that the person is having age from $30$ to $39$ years.
| Age (in years) | $20-29$ | $30-39$ | $40-49$ | $50-59$ | $60$ and above |
| Number of workers | $38$ | $27$ | $86$ | $46$ | $3$ |
If a person is selected at random,find the probability that the person is having age from $30$ to $39$ years.
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View SolutionThe probability of occurrence of event $A$ is $0.43$. The probability of event $A$ not occurring is .........
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View SolutionIn a sample study of $642$ people,it was found that $514$ people have a high school certificate. If a person is selected at random,the probability that the person has a high school certificate is:
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View SolutionCan the experimental probability of an event be greater than $1$? Justify your answer.
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View SolutionBulbs are packed in cartons,each containing $40$ bulbs. Seven hundred cartons were examined for defective bulbs,and the results are given in the following table:
Number of defective bulbs $0$ $1$ $2$ $3$ $4$ $5$ $6$ more than $6$ Frequency $400$ $180$ $48$ $41$ $18$ $8$ $3$ $2$
One carton was selected at random. What is the probability that it has no defective bulb?
| Number of defective bulbs | $0$ | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | more than $6$ |
| Frequency | $400$ | $180$ | $48$ | $41$ | $18$ | $8$ | $3$ | $2$ |
One carton was selected at random. What is the probability that it has no defective bulb?
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