4) A lot consists of 10 good articles, 4 with minor defects and 2 with major defects. i. One article is chosen at random. Find the probability that:
a) It has no defect
b) It has no major defects
c) It is either good or has major defects
ii. Two articles are chosen (without replacement) at random, find the probability that:
a) Both are good
e) Exactly one is good
b) Both have major defects
f) Neither has major defects
c) At least one is good
g) Neither is good
d) At most one is good

hi

step-by-step explanation:

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

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