Let X denote the number of adults that sleep with socks. Then
Required probability =
statistics show that 40% of adults sleep with socks. Eight adults are randomly selected what is...
statistics show that 40% of adults sleep with socks. Eight adults are randomly selected what is the probability that exactly 7 of them sleep with socks?
statistics shows that 40% of South African adults drink coffee, if 6 SA adults are randomly selected, what is the probability that 4 drinks coffee?
Based on a poll, 40% of adults believe in reincarnation. Assume that 4 adults are randomly selected, and find the indicated probability. Complete parts (a) through (d) below. a. What is the probability that exactly 3 of the selected adults believe in reincarnation? The probability that exactly 3 of the 4 adults believe in reincarnation is b. What is the probability that all of the selected adults believe in reincarnation? The probability that all of the selected adults believe in reincarnation is c. What is...
Assume that when adults with smartphones are randomly selected, 40% use them in meetings or classes. I 10 adut smartphone users are randomly selected, find the probability that at least 2 smartphones in meetings or classes them use the The probability is (Round to four decimal places as needed.)
Based on a poll, 40% of adults believe in reincarnation. Assume that 8 adults are randomly selected, and find the indicated probability. Complete parts (a) through (d) below. a. What is the probability that exactly 7 of the selected adults believe in reincarnation? The probability that exactly 7 of the 8 adults believe in reincarnation is _______. (Round to three decimal places as needed.) b. What is the probability that all of the selected adults believe in reincarnation? The probability...
There are 10 pairs of distinct socks. If you randomly pick 4 socks, what is the probability of them being 2 pairs?
Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes. If 11 adult smartphone users are randomly selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes.The probability is _______
The number of hours of sleep in a night is normally distributed in adults, with a mean of 7.2 hours and a standard deviation of 1.7 hours. Suppose a randomly selected adult sleeps 7.3 hours in a night. What percentile are they - that is, what percentage of adults do they sleep more than?
Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes. If 30 adults smartphones users are randomly selected, find the probability that exactly 24 of them use their smartphone in meetings or classes. The probability is?
Assume that that 10% of adults are left-handed. If 300 adults are randomly selected, find the probability that 27or fewer of them are left-handed. Does the result of 27left-handed adults appear to be unusually low? The probability that 27or fewer are left-handed is