A child must be at least 20 to ride a Track. There is a 45% chance that the ride will detect he is tall enough on any attempt. What is the probability, if you try to ride 5 times, the child will be allowed to ride at least 3 out of those times?© BrainMass Inc. brainmass.com June 4, 2020, 12:50 am ad1c9bdddf
n = 5, x = 3, p = 1 - 0.45 = 0.55, q = 0.45
The binomial ...
The required probability is calculated in the solution.