Q1] A/ Table below classifies people by their gender and work. Find the following probabilities if one person selected r

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Q1 A Table Below Classifies People By Their Gender And Work Find The Following Probabilities If One Person Selected R 1 (65.1 KiB) Viewed 18 times

Q1] A/ Table below classifies people by their gender and work. Find the following probabilities if one person selected randomly: P(E\M), P(TF), P(DM), and P(EF)? Female (F) Male (M) 23 R Engineer (E) Worker (W) 33 N G Teacher (T) R+17 20 Driver (D) 0 3G R=(G+7+N) [6 marks] B/ For the following table represents the statistical data for ages and their frequencies. Find the following: the mean, median, mode, mean absolute deviation, standard deviation, and Coefficient of Variance. 28-30 Age Frequency 10-12 13-15 16-18 2R 6R 10R 19-21 22-24 25-27 16R 8R 5R R (N+5+G) IR [6 marks] Q2] A/ As shown in the table below that gives the marks distribution in a university class. Find the following probabilities: 1-Marks (60-70). 2-Marks<63. 3-Marks 85. Marks 50-54 55-59 60-64 64-69 70-74 75-79 80-84 85-89 Frequency 14 15R 16 19+R 20R 45R 100+N 10-G R=N*G [4 marks] B/ A general contracting firm experiences cost overruns on 25% of its contracts. In a company audit, 20 contracts are sampled at random. 1- Find the mean number that experience cost overruns. 2-Find the standard deviation of the number that experience cost overruns. [4 marks] Q3] Suppose x is a normally distributed for continuous random variable with = 10 and 6. Find value of xo such that P(x >x)=0.8 a [5 marks] رقم الطالب :N رقم الشعبة :G رقم الطالب :N رقم الشعبة :G رقم الطالب :N رقم الشعبة :G ملاحظة: رقم الشعبة بالنسبة لنوع الدراسة (صباحي أو مساني).