A ticket broker is selling seats to a rock concert. If the broker's commission is a $5.00 base fee and $0.50 extra for every tic
1 answer:
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Answer:
d) The z-value is -0.31
Step-by-step explanation:
-Given that Natalia's saving is $470, mean claim amount is $490 and the standard deviation is $65
-Let Natalia's savings be X
#The z-value is calculated using the formula:
Hence, Natalia's z-value is -0.31
Answer:
56 problems
Step-by-step explanation:
So we already know that the answer is: 56. However, a good help is knowing how to obtain this answer from the data provided.
Tony's quiz had 80 questions
Tony correctly answered 70% of them.
We can always write a percentage amount as a ratio by dividing the amount by 100.
.
This means that for every 100 questions, tony will respond correctly 70.
So, if Toni did a questionnaire of n questions, the amount that will answer correctly is calculated by the following expression:
If then: