. From the statistical and stochastic test scores of 100 students, 40 samples were randomly selected, namely:
able[[,53*,57*,62*,65,71*,74,83],[42*,54*,58,62,65,72*,75,86],[45*,55,58,64,68*,73,76,86],[49*,56*,58,64,70*,73,78,86],[50*,56*,60,64*,71*,74,82,87]]
a. What is the lowest value that is included in the highest 10% of the values above. How many students are included in the highest 10% ?
b. Calculate the probability of a student graduating if the passing score limit is 56
From the statistical and stochastic test scores of 1oo students,4o samples were
randomly selected, namely:
53. 54 . 55 . 56 56
57 58 58 58 60
62. 62. 64 64. 64.
71. 72. 73 . 73 74
74 75 76. 78 82
83
42. 45 49 50
65 . 68 . 70 . 71 .
86 86 87
a.What is the lowest value that is included in the highest 10% of the values above.How many students are included in the highest 1o%?
b.Calculate the probability of a student graduating if the passing score limit is 56 P{(x>56)