## Lease Use The Ndt Table To Answer The Following Question:

A Z-score is a way to compare the results of a test to a normal population, with a Z-Score calculated using the Z-Score formula. The Z-Score table shows the percentage of values to the left of a given Z-Score on a standard normal distribution, and can be used for both negative and positive Z-Scores. To find a full set of "less-than" probabilities for a range of Z-Scores, you can use the Z-Score table by first identifying the first two digits on the left side (which represents a standard deviation) and then finding the remaining numbers on the top of the table. This area under the curve represents the probability that a value is less than the Z-Score.

a. The probability that a randomly selected thermometer reads less than -0.67 is approximately 0.2514 using the Z-Score table.

b. The probability that a randomly selected thermometer reads greater than -1.34 is approximately 0.9099 using the Z-Score table.

c. The probability that a randomly selected thermometer reads between -1.56 and 2.07 is approximately 0.9214 using the Z-Score table.

d. The probability that a randomly selected thermometer reads greater than 0.98 is approximately 0.1635 using the Z-Score table.

e. The probability that a randomly selected thermometer reads less than -2.65 or greater than 2.65 is approximately 0.0080 using the Z-Score table.

Therefore, the correct probabilities are: a. 0.2514 b. 0.9099 c. 0.9214 d. 0.1635 e. 0.0080

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