- Question 2 A The Number Of Students Going To The Library Per Day Is Given In Table Q2 Find The Expected Number Of Stu 1 (37.42 KiB) Viewed 33 times
QUESTION 2 (a) The number of students going to the library per day is given in Table Q2. Find the expected number of stu
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QUESTION 2 (a) The number of students going to the library per day is given in Table Q2. Find the expected number of stu
QUESTION 2 (a) The number of students going to the library per day is given in Table Q2. Find the expected number of students going to the library in a particular day. Hence, find the variance. Table Q2: Probability distribution of students going to the library 24 0.1 P(X) 12 0.1 16 0.4 20 0.2 MAY (b) A shipment of 36 air conditioners is rejected if 5 are checked for defects and at least 1 is found to be defective. Find the probability that the shipment will be returned if there are 8 defective air conditioners. KNOLO (c) Company Life-Liberty plans to market a new product to low-income families. Based on previous study, the average income per family is RM2300 with variance RM500. If Company Life-Liberty plans to target the bottom 20% of the families based on income, find the cut-off income. Assume the variable is normally distributed.
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