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Related Questions
When a coin is tossed four time then mean and variance of the number of the head?
Mean = 2. Variance = 1.
A fair coin is tossed 10 times what are the expected mean and variance of the number of heads?
mean = 5, variance = 5
If 3 coins are tossed simultaneously the probability of getting at least 1head is?
3/8
If n coins are tossed simultaneously what is the probability that they are all show heads?
(0.5)n
Probability of getting both head and tail simultaneously when a coin is tossed?
The probability is 50-50.
Two dice are tossed simultaneously 50 times.the sum of all dots on both turned-up faces are observed.how to dtermine its frequency?
The frequency can be determined by recording the sum for each toss and producing a tally chart for the outcomes.
When two coins are tossed simultaneously what is the probability of obtaining at most one head?
The probability is 3/4.
What is the probability of seven coins tossed simultaneously and all of them landing on heads?
It is 1/2^7 = 1/128.
What is the mean variance and standard deviation for the number of heads when 20 coins are tossed?
mean = np = 20*0.5 = 10 Variance = npq = 20*0.5*0.5 = 5 Std dev = sqrt(npq) = sqrt(20*0.5*0.5) = 2.23
What is the getting one tail when two coins are tossed simultaneously?
It is the event that one of the two coins lands showing tails and the other shows heads.
What is a probability of getting a two tails in first two chances if coin is tossed 10 times simultaneously?
The probability of getting two tails in the first two is 1/4. And it does not matter how many more times the coins are tossed after the first two tosses.
Three coins are tossed simultaneously the probability of getting atmost one head?
1/2 or 50% (1/8 prob of 0H + 3/8 prob of 1H)
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