A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is –2 standard devi
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Answer:
idk number 6
Step-by-step explanation:
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Given :
Tammy saved nickels and pennies in a jar the ration of nickels to pennies was 2 : 5 .
To Find :
If there where 70 nickels in the jar how many coins are there in all.
Solution :
Let, number of pennies are x.
It is given that ratio of nickels to pennies is 2 : 5.
So, numbers of pennies are 175.
Therefore, total number of coins in the jar is, 175 + 70 = 245 coins.