Marketing estimates that a new instrument for the analysis of soil samples will be very successful, moderately successful, or un
successful, with probabilities 0.3, 0.4, and 0.3, respectively. The yearly revenues associated with a very successful, moderately, or unsuccessful product are $10 million, $5 million, and $1 million, respectively. Let the random variable X denote the yearly revenue of the product. Required:
Determine the probability mass function of X. Round your answers to one decimal place (e.g. 98.7).
In order to find the slop it is probably best to put the equation in y=mx+b form. This means to get y by itself on one side. 24x-9y=63 will then become -9y=63-24x in which y has been isolated. Then you should divided by -9 to get the final form: y=24x/9 -63/9. Now you can get the slope of the perpendicular line by taking the slope of the original equation and finding its reciprocal which is -9/24x. This is your answer.