Answer:
The correct option is a
Step-by-step explanation:
From the question we are told that
The sample size is n = 415
The sample proportion is
Now
The null hypothesis is
The alternative hypothesis is
The test statistics is mathematically evaluated as
substituting values
The answer to the question above is letter A. Jamal works part-time earning $8,000 per year and he reduces his work hours by half. Jamal completes his degree after 3 semesters at a cost of $1,400 per semester in his tuition and $500 per semester in books. Jamal's investment is $4,700 in getting his degree.
Let the breadth be x
length=x+8
according to the question
area of the pool = l*b
105=x*x+8
if u solve this equation further u will get the answer