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Assume Pr(A)=.15, Pr(B)=.25 Find Pr[AuB] in the following conditions... 1) if Ac(subset)B then Pr[AuB] 2) if AnB=0 then Pr[AuB] 3) if AnB'=0 then Pr[AuB]
A student's average on three tests is 75. If the final is to count as two one-hour tests, what grade must the student make to bring the average up to 80?
Suppose a car merges into freeway traffic on a 200 long ramp. If its initial velocity is 10 m/s and it accelerates at 2m/s2, how long does it take to travel 200 m up the ramp? Please provide a...
i don't know it .........................
Find the first term and the ratio between successive terms for the following geometric series. 7−21y^(2)+63y^(4)−189y^(6)+? first term = ratio =
The question Involves algebra and a form of a question I don't understand at all, the teacher didn't eColin well that is why I'm using this website.
Use the properties of geometric series to find the sum of the series. For what values of the variable does the series converge to this sum? 5−10z+20z^(2)−40z^(3)+? sum = domain...
At first am athlete jogs at 5 miles per hour and then jogs at 6 miles per hour, traveling 4 miles in 0.7 hour. How long does the athlete jog at each speed? (hint let t represent...
Harris invested $200 in a savings account for 5 years. At the end of 5 years, his savings account had $450 in it. If $200 represents P, the principal amount, which percent represents...
Assume that the machine yields the item selected 70 percent of the time, and returns nothing 30 percent of the time. Three individuals attempt to use the machine. Let X be defined as the number of...
A musician released 12 albums. Company wants to release 5 in a box set. How many different box sets are possible?
Beth has a 75% discount coupon for an appliance store. She sees a new refrigerator that she wants to buy. After the 75% discount was applied, Beth paid $175 for the refrigerator. What was the...
Calculate S3,S4, and S5 and then find the sum for the telescoping series S=∑(1/n+1−1/n+2),n=0..infinity S3 = S4 = S5 = S =
trigonometry help
trigonometry help, answer as soon as possible!
Solve it if you think you are smart.
Lisa has a 12% discount coupon for a clothing store. She sees a new purse that she wants to buy. After the 12% discount was applied, Lisa paid $52.80 for the purse. What was the original price...
A ball drops from a height of 19 feet. Each time it hits the ground, it bounces up 60 percents of the height it fall. Assume it goes on forever, find the total distance it travels???
I am doing a study guide for sociology 101