A normal distribution is symmetrical about the mean. Therefore half of all young men are shorter than 68 inches.
21x + 28 = 156 - 2
21x = 154 - 28
21x/21 = 126/21
X = 6
Answer:
13
Step-by-step explanation:
HCF = Product of two numbers ÷ LCM of these numbers
HCF = 
= 13
Answer:
Yes
Step-by-step explanation:
They get more accurate as they have more data, the more data the more accurate it would be.
Answer:
25°
Step-by-step explanation:
The angle of a right triangle is always 90°. 90-35=51. 25 times 2 is 50 plus 1 is 51, so x is 25°.