Find the indicated z-score shown in the graph to the right. Click to view page 1

Question

Find the indicated z-score shown in the graph to the right. Click to view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING... z Area equals Area= 0.1151 0.1151 z equals question mark z=? 0 A normal curve is over a horizontal z-axis and is centered on 0. A vertical line segment extends from the curve to the horizontal axis at a point labeled z = ?. The area under the curve and to the right of the vertical line segment is shaded and labeled Area = 0.1151. The z-score is nothing . (Round to two decimal places as needed.)

Explanation / Answer

Solution :

Using standard normal table,

P(Z > z) = 0.1151

1 - P(Z < z) = 0.1151

P(Z < z) = 1 - 0.1151 = 0.8849

P(Z < z) = 0.8849

See the probability 0.8849 in the standard normal table the corresponding z value is 1.2 .

P(Z < 1.2) = 0.8849

The z-score is 1.2 .

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