Probability-normal distribution

Assignment Help Basic Statistics

Reference no: EM1311846

Probability based on normal distribution:

1. Kate scored in the 95th percentile rank on an exam. If 400 students took the exam, how many students scored lower than Kate?

a) 379
b) 381
c) 378
d) 380

2. Find the area under the normal distribution curve to the right of z = -1.03.

a) 0.151
b) -0.349
c) 0.349
d) 0.849

Reference no: EM1311846

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