7). ten percent of the reds are added to twenty percent of the blues, and the total is 24. Yet the product of the number of teds and 3 exceeds the number of blues by 20. How many are red and how many are blue?
7). ten percent of the reds are added to twenty percent of the blues, and the...
All that is left in a packet of candy are 7 reds, 2 greens, and 4 blues. (a)What is the probability that a random drawing yields a blue followed by a red assuming that the first candy drawn is put back into the packet? Answer:
A hat contains twenty white slips of paper numbered 1 through 20, ten red slips of paper numbered 1 through 10, forty yellow slips of paper numbered 1 through 40, and 10 blue slips of paper numbered 1 through 10. These 80 slips of paper are thoroughly shuffled so that each slip has the same probability of being drawn 1) Complete the following table in which each entry is the probability of the intersection of the events labeled in the...
A bag contains a large number of red, green, and blue balls. Ten balls are randomly drawn from the bag, without regard to order. How many different color combinations can be drawn from the bag? Example: one combination is 1 red, 3 green, and 6 blue balls.
Twenty percent (20%) of a certain type of cell phones are returned for repairs while under warranty. (i) If a company purchases ten of these cell phones for their employees, what is the probability that exactly two of them will need repairs while under warranty? [6 marks] (ii) Of the 10 cell phones purchased by the company, how many would you expect to be returned for repairs while under warranty? [1 mark] (iii) Suppose five hundred (500) cell phones were...
Five percent (0.05) of the parts produced by a machine are defective. Twenty(20) parts are selected at random for study. A. what is the probability that more than 4 parts are defective? B. what is the probability that exactly 3 parts are defective? C. what is the expected number of defective parts in the sample? D. What is the variance and standard deviation of defective parts in the sample?
Blues Traveler Company sells electric razors. The company’s home office is in Princeton, New Jersey. The company was founded in 2005 when John Popper invested $300,000 for 30,000 shares and Chan Kinchla invested $200,000 for 20,000 shares of common stock. The only other financing activities relate to a $500,000 bank loan from 1st National Bank that accrues interest at six percent per year payable on January 1 each year that has an unpaid balance of $400,000. The loan is due...
A dataset with n = 7 observations in p = 2 dimensions is provided as follows. For each observation, there is an associated class label (Red or Blue). If we train this dataset with a maximal margin classifier, how many support vectors will be used in this classifier? Answers 2,3,4,5 observation X1 X2 Y 1 2 2 RED 2 2 3 RED 3 2 4 RED 4 4 4 REd 5 4 1 BLUE 6 3 1 BLUE 7 4...
M&Ms are blended in a ratio of 9 percent brown, 13 percent yellow, 10 percent red, 20 percent blue, 17 percent orange, and 31 percent green. Suppose you choose a sample of two M&Ms at random from a large bag. (a) How many elements are there in the sample space, assuming the order in which the M&Ms are drawn matters? Sample space (b) What is the probability that both are brown? (Round your answer to 4 decimal places.) Probability .0169...
Twenty-five percent of the customers entering a grocery store between 5 P.M. and 7 P.M. use an express checkout. Consider five randomly selected customers, and let x denote the number among the five who use the express checkout. (a) What is p(2), that is, P(x = 2)? (Round the answer to five decimal places.) (b) What is P(x ≤ 1)? (Round the answer to five decimal places.) P(x ≤ 1) = (c) What is P(2 ≤ x)? (Round the answer...
Suppose you have a sack of mixed potatoes, with 14 red, 10 all-blue, 7 Yukon Gold, and 20 Russett. You suspect that the farmer is selling the different varieties at different rates. You think that when she fills sacks of potatoes, she puts in lots of Russetts and not very many all-blues. What test do you use to determine if that's true or not? O Chi-square goodness of fit test (one-way chi- square) O Chi-square test of independence (two-way chi-square)...