Determine the area under the standard normal curve that lies to the left of (a) z equals 0.73 comma (b) z equals negative 0.54, (c) z equals negative 0.14, and (d) z equals 1.65.
We have to calculate area under standard normal curve that is left of given z-scores.
That is we have to calculate P( Z < z) = ?
a)
We have to calculate P( Z < 0.73 ) = ?
From Z table,
P( Z < 0.73) = 0.7673
b)
P( Z < -0.54) = 1 - P( Z < 0.54)
= 1 - 0.7054 (from Z table)
= 0.2946
c)
P( Z < -0.14) = 1 - P( Z < 0.14)
= 1 - 0.5557 (From Z table)
= 0.4443
d)
P( Z < 1.65) = 0.9505 (From Z table)
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