A test consists of 490 true or false questions. If the student guesses on each question, what is the standard deviation of the n
1 answer:
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Answer:
Kendra needs 3 coins (1 coin of 25 cent & 2 coins of 1 cent) to add 27 cents in 73 cents to make 1 dollar
Step-by-step explanation:
Given :
Kendra has 73 cents
She need 1 dollar to by a ball
∴ She requires additional money =
Standard Coins available are 50 cents , 25 cents, 10 cents, 5 cents and 1 cent.
To make 27 cents = = 1 coin of 25 cent & 2 coins of 1 cent