the student has left 75 because if you add 5 and 70 it gives you $75 that's how much the student had left.
The -3 in f(-3) is the X coordinate, so you need to find where the line is on the Y coordinate at that point.
The line is at Y = -9
Answer: 
Step-by-step explanation:
Given : The probability of a correct classification of any part is : p=0.96
sample size : n= 3
The formula to find the mean and variance for binomial distribution is given by :-

Let the random variable X denote the number of parts that are correctly classified.
The, for the given situation, we have

Hence, the mean and variance of X are 2.88 and 0.115 respectively.
Answer:
Step-by-step explanation:
Ok but where is the question
Answer: 42 feet
Step-by-step explanation:
The solution is in the attachment