Answer: 0.2643
Step-by-step explanation:
Let p be the population proportion and 
be the sample proportion .
As per given question , we have
z-score : 
The required probability ( using z-table ):-
Hence, the probability that the proportion of books checked out in a sample of 478 books would be less than 13% = 0.2643
Answer:
540°
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = 180° (n - 2) ← n is the number of sides
Here n = 5, thus
sum = 180° × 3 = 540°
Answer:
9261
Step-by-step explanation:
V=6A3/2
36=6·26463/2
36=9261
The ratio is 14:5, as 42 divided by 3 is 14 and 15 divided by 3 is 5.
Answer should be: X = 4, -5
