Math Problem Statement
Assume the readings on thermometers are normally distributed with a mean of
0degrees°C
and a standard deviation of
1.00degrees°C.
Find the probability that a randomly selected thermometer reads greater than
negative 1.79−1.79
and draw a sketch of the region.
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Part 1
Sketch the region. Choose the correct graph below.
A.
-1.79
A graph with a bell-shaped curve, divided into 2 regions by a line from top to bottom on the left side. The region right of the line is shaded. The z-axis below the line is labeled negative 1.79.
Your answer is correct.
B.
1.79
A graph with a bell-shaped curve, divided into 2 regions by a line from top to bottom on the right side. The region right of the line is shaded. The z-axis below the line is labeled 1.79.
C.
-1.79
A graph with a bell-shaped curve, divided into 2 regions by a line from top to bottom on the left side. The region left of the line is shaded. The z-axis below the line is labeled negative 1.79.
Part 2
The probability is
. 9633.9633.
(Round to four decimal places as needed.)
Choose the correct graph below.The probability is(Round to four decimal places as needed.)
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Math Problem Analysis
Mathematical Concepts
Normal Distribution
Standard Normal Distribution
Probability
Formulas
Standard Normal Distribution formula
Theorems
-
Suitable Grade Level
College Level
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