It is 0.2 x 0.4
The green part is 20 squares and the yellow part is 40 squares. The intersection has 8 squares which means the answer is 0.08
Answer:
1. About 1/5 chance that Mary is chosen
About 1/7 chance John is chosen
2. about 0.0286 chance mary is chosen
about 0.0154 chance john is chosen
same as answer 2
Step-by-step explanation:
1. If you do proportions, a female's chance comes to 1/5 and a male's chance comes to 1/7.
2. for females, do 1/35 and males do 1/65
same as answer 2
Solution: We are given:
μ=180,σ=25,n=100
Therefore the standard error of the mean is


