Answer:
B
Step-by-step explanation:
(74+72+76+80+73+(AnswerB)75)÷6(total number of quizzes include the one she needed to take)=75(minimum average because she needs to get average of 75)
Answer: Events A and B are independent.
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Explanation:
Note how,
P(A)*P(B) = 0.5*0.2 = 0.1
which matches exactly with P(A and B) = 0.1
Therefore,
P(A and B) = P(A)*P(B)
is a true statement. This further leads to events A and B being independent.
Answer:
75 miles
Step-by-step explanation:
Answer: 9 units
Step-by-step explanation: R is at -7 and is at 2. Think of how far away -7 is from 2. -7+9=2.
0.987
8 is in the hundredths
0.45
5 is in the hundredths
