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The length of a tube received by a certain laboratory have a mean of 4.62 inches and a standard deviation of 0.23 inches.

a. What percentage of all these tubes are longer than 5.00 inches?

b. What percentage of the tubes are between 4.35 and 4.85 inches long?​


Sagot :

Answer:

7.34 inches. i think cause if u add the u'll get 9.20 inches