Recall the equation that modeled the average number of non-defective refrigerators produced per hour in terms of x, the number o
f hours of production per day: Now, open the graphing tool and graph the equation. Use the pointer to determine how many hours of production there are in a day if the average number of non-defective refrigerators produced per hour is 15.
2 answers:
Answer:
The graph representing the above equation is attached below.
Step-by-step explanation:
The equation that modeled the average number of non-defective refrigerators produced per hour in terms of x, the number of hours of production per day is:
Simplify the expression as follows:
The graph representing the above equation is attached below.
On moving the pointer to <em>y</em> = 15, it was determined that the value of <em>x</em> was 10.89.
The point is also plotted on the graph
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Answer:
The expected number of keys she will try before she opens the door is 4.5.
Step-by-step explanation:
A woman has eight keys on a key ring, one of which fits the door she wants to unlock.
Each of them is equally as likely to be the one to work, which means that this situation is represented by an uniform distribution with lower bound and upper bound
.
Find the expected number of keys she will try before she opens the door.
The expected value of the uniform distribution is given by:
Considering , as is the case in this exercise:
The expected number of keys she will try before she opens the door is 4.5.