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a) A husband and wife appear in an interview for two vacancies in the same post. The probability of husband's selection is 1/7 and that of wife's selection is 1/5.
What is the probability that
i) Both of them will be selected
ii) Only one of them will be selected
ii) None of them will be selected
b) In a factory, Machine A produces 30% of the output. Machine B 25% and Machine C produces the remaining 45%. 1% of the output of Machine A is defective, 1.2% of B's and 2% of C's. In a day's run the three machines produces 10,000 items. An item is drawn at random from a day's output and is defective.
What is the probability that it was produced by
i) Machine A
ii) Machine B
iii) Machine C
Product Moment Coefficient (r) This gives an indication of the strength of the linear relationship among two variables. N
find the unit rate. Round to the nearest hundredth in necessary 325 meters in 28 seconds
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Estimate the area between f ( x ) =x 3 - 5x 2 + 6 x + 5 and the x-axis by using n = 5 subintervals & all three cases above for the heights of each of the rectangle. Solution
Verify Liouville''s formula for y "-y" - y'' + y = 0 in (0, 1) ?
what is the difference between North America''s part of the total population and Africa''s part
#question.find the number of combinations of the letters a, b, c, and d taken 3 at a time.
which ratio is largar. 1. 15:16 or 24:25
when i couulate the formula f 64 divided by 65 how do i do this
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