Math

posted by .

Luis has a coin that is weighted so that the probability that Heads appears when it is tossed is 0.55. Suppose that the coin is tossed 3 times. What is the probability that all 3 tosses are Heads?
please help ,e to solve this question .
i dont'know if i +am right
.55/2+.55/2+.55/2= 1.65/2 =0.82 Answer
Am i right ?

  • Math -

    no, the prob of three heads with that coin
    = (.55)(.55)(.55) = appr .166

    why are you dividing by 2 ???
    Didn't your answer seem illogical to you?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    In a game, a player tosses a coin 4 times. If the player gets 3 or 4 heads, he/she wins. What is the theoretical probability of winning this game?
  2. Probability

    A balanced coin is tossed 8 times. What is the probability of getting exactly 2 heads given that there were at least 2 heads in the 8 tosses?
  3. Probability

    A balanced coin is tossed 8 times. What is the probability of getting exactly 2 heads given that there were at least 2 heads in the 8 tosses?
  4. math of investment

    Suppose the probability of a coin coming up heads is 2/5. The coin is tossed 4 times (the tosses are independent), and Jane will win $5 for each head. If all 4 tosses are heads, she will get $100 extra. She never loses money. a)what …
  5. Math

    A coin is tossed three times. If heads appears on all 3 tosses, Mary will win $16. If heads appears on 2 of the tosses, she will win $2. The game costs $5 to play. What is her mean expectation?
  6. stat probability

    A coin is tossed 4 times. Find the probability that the 4th toss is a tail, given that the first 3 tosses were all heads.
  7. math

    a fair coin is tossed in the air 4 times. if the coin lands heads up the first three tosses, what is the probability the coin will land heads up the fourth toss?
  8. Math

    10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed twice and the results of tosses are independent. a.What is the probability of obtaining exactly two heads?
  9. probability

    Adefective coin minting machineproducescoinswhoseprobability ofheadsisarandomvariable P with PDF 1+sin(2πp), if p ∈ [0,1],fP (p)= 0, otherwise. Inessence,aspecificcoinproducedby thismachinewillhavea fixedprobability P = …
  10. statistics

    An unfair coin has a probability of coming up heads of 0.55 the coin is tossed 4 times. What is the probability that it lands heads at least once?

More Similar Questions