Out of 150 shoppers, we can expect approximately 75 shoppers to prefer plastic bags.
This is calculated by multiplying the total number of shoppers (150) by the probability of selecting a shopper who prefers plastic bags (50% or 0.5):
150 shoppers * 0.5 = 75 shoppers.
Suppose the probability of selecting a supermarket shopper who prefers plastic bags instead of paper bags is 50%. Out of 150 shoppers how many can you expect will prefer plastic bags?
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