Answer: or 0.5826
Step-by-step explanation:
Given : The total number of teachers in at a college = 318
In sample of n= 115 teachers from this college, the number of teachers with doctorates : x=67
Then, the sample proportion of teachers at this college with doctorates
Since the sample proportion is the best estimate of the population proportion.
Therefore , the estimated the population proportion of teachers at this college with doctorates =
Answer:
-10n
Step-by-step explanation:
-6n-4n=-10
Answer:
1.57
Step-by-step explanation:
9/11+3/4
=1.56818181818181.....
=1.57
x-intercept is -16
Step-by-step explanation:
- Step 1: Find the x-intercept of the line y = 1/2 x + 8
x-intercept is the point of intersection of the line with the x-axis. Then y = 0.
⇒ 0 = 1/2 x + 8
⇒ -8 = 1/2 x
∴ x = -16
Answer:
7x
Step-by-step explanation:
To purchase 7 tickets at the same rate ;
Mathematically, Total Cost of an item is :
Cost = unit price * quantity
Here,
quantity = 7 tickets
Since price per ticket(rate) is the same ; then we can take rate as x
Hence, the cost of the 7 tickets is :
Quantity * rate
7 * x = 7x