# Question

Let x denote the time (in seconds) necessary for an individual to react to a certain stimulus. The probability distribution of x is specified by the following density curve:

a. What is the height of the density curve above x = 0?

b. What is the probability that reaction time exceeds 0.5 second?

c. What is the probability that reaction time is at most 0.25 second?

a. What is the height of the density curve above x = 0?

b. What is the probability that reaction time exceeds 0.5 second?

c. What is the probability that reaction time is at most 0.25 second?

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