Answer:

Step-by-step explanation:
Hi,
We know that
P(A or B)=P(A)+P(B)-P(A and B)
so P(B)= P(A or B) - P(A) + P(A and B)
so
P(B) = 0.5 - 0.4 + 0.2 = 0.3
thanks
44. you multiply 80 by .55
Answer:
56.4 degrees
Step-by-step explanation:
90 degrees - 33.6 degrees = 56.4 degrees
<span>This is the value of a variable for an entire population. It usually cannot be found directly: the population mean. We can approx. the population mean, or specify an interval in which it is likely to lie, but we generally cannot find the value of the pop mean.</span>
Answer:
y - 4 = 3(x-3)
Step-by-step explanation: