Normal probabilities : Some of the rounding might be off, double check.


4 decimals

Round to the nearest %
Round to the nearest student

Normal Curve
Mean: $1500
St. deviation: $200

Round to nearest percent
Round.

The incubation period for the eggs of a House Wren is normally distributed with a mean time of 336 hrs and a standard deviation of 3.5 hrs. The incubation times for four eggs selected at random are 328hrs, 338hrs, 330hrs, and 341hrs. Match the value to its spot and z-score on the graph.
328
338
330
341
A
B
C
D
328
338
330
341
-2.29
-1.71
1.43
0.57
4 decimals
4 decimals
4 decimals