A factory manufactures 9 x 105 packs of gum each month. They send these out to 16 different distribution centers. If each distri
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Answer:
This indicates that the chances of the mean life span today is greater than 70 years is 0.5871
Step-by-step explanation:
The past year showed an average life span of 71.8 years.
Population standard deviation = 8.9 years
We are supposed to find the mean life span today is greater than 70 years
i.e. P(X>70)
Formula :
Z=−0.202
P(X<70)=0.4129
P(X>70)=1-P(X<70)=1-0.4129=0.5871
Hence This indicates that the chances of the mean life span today is greater than 70 years is 0.5871
The problem is 
Add the whole numbers
Match up the fractions and make sure the denominators are the same (they are)
Break down the fraction
÷ 
Reduce-You need to find a common factor for both the numerator and denominator
÷ 
÷ 
Combine everything
Answer:
Add the whole numbers
Match up the fractions and make sure the denominators are the same (they are)
Break down the fraction
Reduce-You need to find a common factor for both the numerator and denominator
Combine everything
Answer: