Question
A fair coin is tossed seven times. what is the probability of getting at least one tail?
Answers
That would the probability of 1 - probability of no tails.
1 - .5^7 = ?
1 - .5^7 = ?
.9921875
get lost
127/128 this is right
Related Questions
For a fair coin tossed three times, the eight possible simple events are HHH, HHT, HTH, THH, HTT, TH...
a fair coin is tossed in the air 4 times. if the coin lands heads up the first three tosses, what is...
A fair coin is tossed three times and the events A, B, and C are defined as follows:
A:{ At least...
A fair coin is tossed two
times in succession. The set of equally likely outcomes is StartSet H...
A fair coin is tossed three times in succession. The set of equally likely outcomes is {HHH,HHT,HTH,...
A fair coin is tossed three times. What is the probability that the sequence of tosses is HTH? Write...
When a fair coin was tossed ten times, it landed heads up the first six times. What is the probabili...
A fair coin is tossed three times. What is P(tossing three tails)?
one eighth
one fourth
thr...
A fair coin is tossed three times in succession. The set of equally likely outcomes is StartSet HHH...
A fair coin is tossed three times. What is P(tossing at least one head)?
one eighth
three eighths...