Question

Suppose 33 pregnant women are sampled who smoke an average of 20 cigarettes per day with...

Suppose 33 pregnant women are sampled who smoke an average of 20 cigarettes per day with a variance of 81.00.

a) What is the probability that the pregnant women will smoke an average of 21 cigarettes or more?
probability =  

b) What is the probability that the pregnant women will smoke an average of 22 cigarettes or less?
probability =  

c) What is the probability that the pregnant women will smoke an average of 19 to 23 cigarettes?
probability =  

d) What is the probability that the pregnant women will smoke an average of 23 to 27 cigarettes?
probability =  

Note: Do NOT input probability responses as percentages; e.g., do NOT input 0.9194 as 91.94.

Math   Statistics-And-Probability   
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