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Author Question: A model that uses a system of symbols to represent a problem is called a. mathematical. b. iconic. ... (Read 117 times)

jeatrice

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on: Jun 24, 2018
A model that uses a system of symbols to represent a problem is called
 a. mathematical.
  b. iconic.
  c. analog.
  d. constrained.

Question 2

The miles per gallon obtained by the 1995 model Q cars is normally distributed with a mean of 22 miles per gallon and a standard deviation of 5 miles per gallon.
 a. What is the probability that a car will get between 13.35 and 35.1 miles per gallon?
  b. What is the probability that a car will get more than 29.6 miles per gallon?
  c. What is the probability that a car will get less than 21 miles per gallon?
  d. What is the probability that a car will get exactly 22 miles per gallon?


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Bison

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Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

a. .9538
b. .0643
c. .4207
d. 0


jeatrice

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Reply 2 on: Jun 24, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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