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Given the following stem-and-leaf plot, retrieve original data and nd the measures as asked below, [stem = hundreds, and leaf =tens and ones, stem leaf
Given the following stem-and-leaf plot, retrieve original data and nd the measures as asked below, [stem = hundreds, and leaf =tens and ones, stem leaf 1 25 27 35 42 2 02 18 18 3 01 4 35 41 5 45 The sample mean, median, mode, and standard deviation to one decimal place are, respectively, 262.6, 218.0, 218, 147.8 0 235.2, 117.3, 215.5, 215 0 256.9, 148.5, 208.5, 135 0 331.0, 207.2, 135, 150.3 Which of the given distributions represents a probability distribution? (i) X P(x) (ii) X P(x) (iii) X P(x) 0.22 5 0.25 1.2 0.31 2 0.36 6 -0.22 1.3 0.22 3 0.29 7 0.41 1.4 0.28 4 0.16 8 0.12 1.5 0.19 O only (ii) O (only (i) and (ii) O only (i) O Only (ii) and (ii) O only (iii)The newly opened corner bookstore reports that in the first week, even though 63 people came inside the store only 25 of them bought some books only, 12 of them bought some kind of magazines only and the rest of the people did not buy anything. If one of the 63 people is selected at random, find the probability that he/she did not buy anything. O 26 63 O 37 25 O 12 63 O 25 63 O 12 25Use the probability distribution below to answer Q 6 and Q 7 x phi) 1 0.27 2 0.13 3 0.14 4 0.36 5 0.10 The probability of at least three, P (at 2 4)), is o 0.40 O 0.46 o 0.36 o 0.54 O 0.10
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