Answer:
The right solution is "-8.25".
Step-by-step explanation:
The given values are:
Sampled people,
n = 150
Null and alternative hypotheses will be:


The z-statistics will be:
⇒ 
On substituting the values, we get
⇒ 
⇒ 
⇒ 
⇒ 
The answer is 280 this is your answer
11 1/4
Step-by-step explanation:
the yards have to be converted to feet
1 yards = 3 feet
5 yards x 3 = 15 feet
Area of a rectangle = length x width
15 x 2 1/4
15 x 9/4 = 33 3/4
33 3/4 x 1/3 = 135 /12 = 11 1/4