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:
Answer : C
Total number of outcomes =200+550+250=1000
At most one head = 0head+ 1 head
Number of favourable outcomes =250+550=800
Probability will be
Therefore option (C) is correct.