A box contains 12 green balls , 14 red balls,15 white balls , and 9 black balls what's is the probability of drawing a white bal
2 answers:
You might be interested in
Answer:
Lowest score needed=4.92
Step-by-step explanation:
Using the standard normal distribution table we find the value of standard normal deviate corresponding to area of 15%
For area of 15% we have Z= -1.04
Thus we have
Applying values we get
Thus lowest score needed = 4.92