Andy's backpack weighs 2 1⁄4 pounds. If he removes a book that weighs 13 ounces, how much does the backpack now weigh?
1 answer:
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Answer:
Step-by-step explanation:
The two-way frequency table is attached below.
We have to calculate the probability of, a person chosen at random prefers pizza given that they are female, i.e
This is a conditional probability.
We know that,
So,
From the table,
Putting the values,
Answer:
Infinitely Many Solutions
Step-by-step explanation:
Given
Required
Determine the type of solution
From the matrix, we have:
3 non-zero rows and 5 variables (the last column is the result)
When the number of variables is more than the number of non-zero rows, then such system has infinitely many solutions
i.e.