1 The solution involves four steps.
Make sure the sample size is big enough to model differences with a normal population. ...
Find the mean of the difference in sample proportions: E(p1 - p2) = P1 - P2 = 0.52 - 0.47 = 0.05.
Find the standard deviation of the difference. ...
Find the probability.
Answer:
1 1/4
Step-by-step explanation:
Answer:
12 millimeters is the actual length of a microchip
The answer would be that the screwdriver is 7 cm
