a)Flaws occur in telephone cable at the average rate of 4.4 flaws per km of cable. Calculate the following probabilities. (Make use of binomial, Poisson and exponential distributions.)  In ten 200 m lengths of cable, what is the probability that 8 or more are free of flaws? B) There are two roads between towns A and B. There are three roads between towns B and C. How many different routes may one travel between towns A and C. C) Suppose a die has been loaded so that the [∙] face lands uppermost 3 times as often as any other face while all the other faces occur equally often. What is the probability of a [∙] on a single toss? What is the probability of a [∙]?

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.