dle Stress at work: In a poll about work, 67% of respondents said that their jobs were sometimes or always stressful. Eleven workers are chosen at random. Round the answers to four decimal places. Part 1 of 4 (a) What is the probability that exactly 10 of them find their jobs stressful? The probability that exactly 10 of them find their jobs stressful is Part 2 of 4 (b) What is the probability that more than 8 find their jobs stressful? The probability that more than 8 find their jobs stressful is

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Q: Can you please show steps for question (i) and (ii)

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Permutations and Combinations

If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.

Counting Theory

The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.