3 mugs have the same capacity as 2 bottles. The capacity of 10 mugs and 8 bottles is 15.4 l. Find the capacity of a mug.

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

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