Determin e the area under the standard normal curve that lies between (a)z»-055

Question

Determin e the area under the standard normal curve that lies between (a)z»-055 and Z-055 b)Ze-1.17ad2-0 and (c)2+-071 and Z-009 Click the icon to view a table of areas under the normal curve. (a) The area that lies betwoen Z -0.55 and Z-0.55 is Round to four decimal places as needed.) (b)The area that les between Z=-1.17 and ZrOisD Round to four decimal places as needed.) Pro (c) The area that lies between Z.-071 and Z#009 is Round to four decimal places as needed.) Discu Enter your answer in each of the answer boxes ion 2 - C evivalism Garrett

Explanation / Answer

From the z table,

(a) Z = -0.55 and 0.55

correspond to probabilities 0.2912 and 0.7088 respectively.

=> P(-0.55 < z < 0.55) = 0.7088 - 0.2912 = 0.4176.

(b) Z = -1.17 and 0

correspond to probabilities 0.1210 and 0.5 respectively.

=> P(-1.17 < z < 0) = 0.5 - 0.1210 = 0.3790.

(c) Z = -0.71 and 0.09

correspond to probabilities 0.2389 and 0.5359 respectively.

=> P(-0.71 < z < 0.09) = 0.5359 - 0.2389 = 0.2970.

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