There are 160 pink and blue balloons at the party store. 56 of the balloons are blue. What percentage of the balloons are pink?
2 answers:
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Answer:
0.0000
Unusual
Step-by-step explanation:
Given that a tobacco company claims that the amount of nicotine in its cigarettes is a random variable with mean 2.2 mg and standard deviation .3 mg.
i.e. population parameters are
The approximate probability that the sample meanwould have been as high or higher than 3.1
=0.0000