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A haulage firm has 24 lorries, 15 of these are articulated i) What is the probability...

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Statistics

A haulage firm has 24 lorries, 15 of these are articulated

i) What is the probability that 3 randomly selected lorries arearticulated ?

ii) what is the probability that no articulated lorries would bechosen if 4 lorries were randomly selected?

iii) what is the probability that more than 3 articulatedlorries would be chosen if 6 were randomly selected?

Q) If holes drilled in a metal plate have a normal distributionwith a mean diameter of 16.4mm and a standard deviation of 0.8mm,and a set of bolts have a normal distribution with a mean diameterof 16mm and a standard deviation of 0.5mm, what is the probabilityof randomly selected bolt fitting a randomly selected hole?

Answer & Explanation Solved by verified expert
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iProbability that 3 randomly selected lorries are articulated 02248ii Probability that no articulated lorries would be chosen if    See Answer
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