You are saving up to buy a PS5 when it comes out for $500. You have $350, then for your birthday, your grandfather gives you mor
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Answer:
The average score is 3.5.
Step-by-step explanation:
The average of a data set is the middle value or the most typical value of the set. It computed by dividing the sum of observations by the number of observations.
The sample space of the scores are:
S = {5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 0}
Total number of students = 4 +7 + 6 + 2 + 1 = 20.
The average score is:
Thus, the average score is 3.5.
Answer:
5. 9 8.
Step-by-step explanation:
a²+b²=c²
so for #5 12²+b²=15²
144+b²=225 (subtract 144 from both sides)
b²=81
b=9
For #8
9²+b²=11²
81+b²=121 (subtract 81 from both sides)
b²=40
b=
=