solve it clearly .it is from statistics and probability.

Image transcriptions

Oil: a. Ten of 100 students are qualified the examination. If 35 out of 100 qualified students are female, what then is the probability of 6 out of 10 female? b. There are 6 bulbs in a house. Three bulbs are defective. If 2 bulbs are picked at random, what then is the probability of at least one defective bulb? Q#2: The symptomatic relief report with a specific medication of adults with allergies is 80%. If the medication has given to 10 new patients with allergies, what then is the probability of the relief with a specific medication to exactly seven out of ten patients? b. Hospital records show that 75% of patients from a certain disease will die. What is the probability that: Four out of 6 patients will recover? Two out of 6 patients will die? Q-3: In most countries the ratio of boys to girls is about 1.04:1, but in China it is 1.15: 1.1. The ratio of boys to girls at birth in China 1.15: 1.1. What is the probability of China families with exactly 6 children will have at least 3 girls? (Ctri) .

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