Answer: 
Step-by-step explanation:
Since, By the given diagram,
In quadrilateral ABCD, all angles are right angles ⇒ DC = AB = 15 cm and CB = DA
Also, In triangle DFA,

⇒ 
⇒ 
⇒ 
Now, In triangle, DEC,

⇒ 
⇒ 
⇒
⇒ 
⇒ 
⇒ 
The 20th percentile of your distribution is x = 11.48 inches, the 2nd selection.
Answer:
1) is equivalent multiply by 6
2) is equivalent multiply by 2 to 5/2
Answer:
.8
Step-by-step explanation:
S= studies for
B= score of b or higher
we want P(S|B)
Using Bayes' theorem we can solve for the probability
