A manufacturer fills jars with coffee. The weight of coffee, X grams in a jar can be modeled with a normal distribution

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A manufacturer fills jars with coffee. The weight of
coffee, X grams in a jar can be modeled with a normal distribution
with a mean of 232 grams and a standard deviation of 5 grams.
Find
    a. The probability that the weight of the jar
with coffee is less than 224 grams
A manufacturer fills jars with coffee. The weight of
coffee, X grams in a jar can be modeled with a normal distribution
with a mean of 232 grams and a standard deviation of 5 grams.
Find
    a. The probability that the weight of the jar
with coffee is less than 224 grams
b. the number a such that
c. the probability it needs more than two attempts to find two
jars of coffee weight more than 224 grams is  
d. If we have only five jars filled with coffee, what is the
probability exactly two of them have weight more than 232
grams.
b. the number a such that
c. the probability it needs more than two attempts to find two
jars of coffee weight more than 224 grams is  
d. If we have only five jars filled with coffee, what is the
probability exactly two of them have weight more than 232
grams.