Question

196 Review Exercises for Chopters 4 & s will neither (d) The Exercise R.67, What is the probability of getting four diamonds in four random draws from an ordinary deck of playing cards (a) if each card is replaced before the next one is drawn; (b) if no cards are replaced before the next is drawn? R.69 R.70 Following are the probabilities that, in a given city, 0 through 5 burglaries will be reported on any given day. Number of 2 burglaries Probabilities 10 0.28 0.42 0.15 0.050.00 Find the probabilities that on any given day the number of burglaries reported will be (a) at least 3 (b) more than 3; (c) no more than 3. R.71 Six white mice and six black mice are available for a medical experiment which requires only four mice. In how many ways can the experimenter select (a) 4 of the 6 white mice; (b) 2 of the 6 black mice, and 2 of the 6 white mice (c) any 4 of the 12 mice? R.72 In Figure R.2, E, T, and N are the events that a car brought to a garage needs an engine overhaul, transmission repairs, or new tires. Express in words the events represented by (a) region 1 (b) region 3; (c) region7; (d) regions 1 and 4 together (e) regions 2 and 5 together; (0) regions 3,5,6, and 8 together.

Answer 1