Suppose the wrapper of a certain candy bar lists its weight as 2.16 ounces. Naturally, the weights of individual bars vary somewhat. Suppose also that the weights of these candy bars vary according to a normal distribution with mean 2.2 ounces and standard deviation 0.04 ounces. Round your answers to four decimal places. a. What proportion of candy bars weighs less than the advertised weight? b. What proportion of candy bars weighs more than 2.26 ounces? c. What proportion of candy bars weighs between 2.2 and 2.3 ounces?

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Unit 3, Topic 12, Exercise 12-10
Candy Bar Weights
Suppose the wrapper of a certain candy bar lists its weight as
2.16
ounces. Naturally, the weights of individual bars vary somewhat. Suppose also that the weights of these candy bars vary
according to a normal distribution with mean
2.2
ounces and standard deviation 0.04
ounces.
Round your answers to four decimal places.
a. What proportion of candy bars weighs less than the advertised weight?
b. What proportion of candy bars weighs more than
2.26
ounces?
2.2
c. What proportion of candy bars weighs between
2.3
and
ounces?
Transcribed Image Text:Unit 3, Topic 12, Exercise 12-10 Candy Bar Weights Suppose the wrapper of a certain candy bar lists its weight as 2.16 ounces. Naturally, the weights of individual bars vary somewhat. Suppose also that the weights of these candy bars vary according to a normal distribution with mean 2.2 ounces and standard deviation 0.04 ounces. Round your answers to four decimal places. a. What proportion of candy bars weighs less than the advertised weight? b. What proportion of candy bars weighs more than 2.26 ounces? 2.2 c. What proportion of candy bars weighs between 2.3 and ounces?
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