Question

three coins are tossed simultaneously 200 times with the following frequencies of different
outcomes
Outcomes 3 heads 2 heads 1 head No head
Frequency
23
72
77
28
If the three coins are simultaneously tossed again compute the probability of getting
(1) 2 heads.
at least 2 heads
at most 2 heads​

Answer 1

Answer:

Step-by-step explanation:

total no. of trials=200

i)  probability of getting 3 heads= 23 upon200 =0.115

ii) p of getting at least 2 head = 72 +  23 upon 200 = 95 upon 200=0.475

iii)p of getting two head and one tail= 72 upon 200=0.36

hope it helps u mate..