9 If the absences increased by 4 what will happen to the final grade 10 If the

9 if the absences increased by 4 what will happen to

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9. If the absences increased by 4 what will happen to the final grade ? 10. If the absences decrease by 3 what will happen to the final grade ? 10. Interpret a and b? Ms. Lubna Ineirat 6
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Question 3: 1. What is the probability of selecting a male student? 2. What is the probability of selecting an AB blood type and female ? 3. What is the probability of selecting a male or B blood type? 4. What is the probability of selecting a O or B blood type? 5. Are “ being a male” and “ A blood type” independent? Why? 6. What is the probability of selecting an O blood type, given the selected is a female? 7. What is the probability of selecting a female , given the selected is a AB blood type ? 8. given the selected is a O blood type? What is the probability of selecting a male students? Ms. Lubna Ineirat 7 A B AB O Total Male 35 210 280 175 Female 15 90 120 78 Total
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Question4: The weight of newborns follows normal distribution with average 3200gram and standard deviation 800gram. Find the following probability . 1.The probability of weight is less than 2000gram? 2.The probability of weight is more than 3500gram? 3.The probability that the weight is equal 3200gram?
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4.The probability that the weight is between 2500 and 4000gram? 5.find the weight which 80% of the weight below it? 6.find the weight which 40% of the weight above it?
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