solution:
a) The population of interest is all the adults
b) The parameter of interest is p, the proportion of adults who own a cell phone
c) The statistic is the proportion, p^, of the sample of 1572 adults who own a cell phone. The value of the sample proportion is 0.83.
d) We dont the the exact proportion with 100 % but we know that the proportion would lie in a certain range with certain degree of confidence
Answer:
This statement is false. In the expression 11 + 3n, the coefficient is 3.
Step-by-step explanation:
Given
Expression: 11 + 3n
Required
Is 11 the coefficient?
In the given expression, there are two expression;
11 and 3n
<em>Explaining 11</em>
11 is just a constant as it doesn't have any variable attached to it
<em>Explaining 3n</em>
This can be expressed as 3 * n
As such;
is the coefficient and is the variable
Hence;
<em>Option A answers the question</em>
Hello friend,here is the sum
0.3+0.4= 0.7
0.3²+0.4²=0.9+0.16=0.25
<span>Hope helped !</span>
Answer:
66.2
Step-by-step explanation:
We know that the middle 68% of the distribution is between -1 and +1 standard deviations from the mean. -1 standard deviation is a score of ...
69.9 - 3.7 = 66.2
_____
<em>Comment on the question</em>
The way the question is worded, "A" can be any value less than 68.1, down to -∞. The question does does not require the A-B range to be symmetrical.
Answer:
Hurry and do it before the marking period ends. You could really use good grades to get in a good college so you should get some sleep then drink some water and try and do your work.
Step-by-step explanation: