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A fair coin is tossed 100 times. The event that the number of heads obtained is less than 35 is denoted by A. By using a suitable approximation to the binomial distribution, calculate the probability of A.
The event that A occurs more than 3 times when 2000 such coins are each tossed 100 times is denoted by B. By using another suitable approximation, calculate probability of B.
Also calculate the probability that B occurs exactly 3 times when 2000 such coins are each tossed 100 times on everyday of a given week.
two planes leave chicago at the same time in opposite directions. if one travels at 450 miles per hour and the other travels at 550 miles person hour how long will it take for them to be 4000 miles apart.
Find the integral. Complete the square if necessary. ∫(2x-3)/sqrrt(4x-x^2)dx. I am mainly unsure about what to do with the numeratir, (2x-3) Thanks.
given a finite set of integers such that all of them are less than or equal to 3, how could you solve in polynomial time that a subset of integers exists whose sum is zero?
If you have 260 feet of fencing and want to enclose a rectangular area up against a long, straight wall, what is the largest area you can enclose?
The dimensions of a closed rectangular box are measured as 80 centimeters, 90 centimeters, and 70 centimeters, respectively, with the error in each measurement at most .2 centimeters. Use differentials to estimate the maximum error in calculating ..
What is the decimal notation for the fraction 1/4? How can you show that 1/4 = 25/100? How can you write 5/16 as a decimal? How would you write 1/9 as a decimal?
Using excel I'm trying to create a probability tree showing all marginal, conditional and joint probabilities. Im also trying to develop a joint probability table and determine the probability that an employee selected at random would fail the man..
A California license plate consists of a digit followed by three letters, and then three digits. How many such license plates are there?
in a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.
Use the method of undetermined coecients to fi nd the general solution of
Her research indicates that she could earn 45% in one year if the cure is successful or lose 63% in one year if it is not. At what probability of success (P) would the pharmaceuticals stock be the better choice?
During the first part of a trip, a canoeist travels 93 miles at a certain speed. The canoeist travels 11 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the tri..
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