Answer:
no, nonononono, i just answered this question O_v_O
Answer:
1) x ≤ 30
2) 5x + 2x ≥ 14
3) x × y ≤ 4
4) y - 5 < 20
Step-by-step explanation:
At most means " no more than, " " less than or equal to, " or " not greater than"
The math symbol that you will use for at most is ≤
At least means " no less than " or " greater than or equal to "
The math symbol that you will use for at least is ≥
The answer is ZBM.
Have a lovely day!
Answer: A. Mean of sampling means 
Standard deviation of sampling means =
B. The probability that your sample has mean less than 165 is 0.1492 .
Given : The distribution of blood cholesterol level in the
population of young men aged 20 to 34 years is close to normal with
mean
Mg/dl and standard deviation
mg/dl.
Sample size : n= 150
Let
sample mean values.
A. The mean and the standard deviation of the distribution of the sampling means would be :
Mean of sampling means =
Standard deviation of sampling means = 

The probability that your sample has mean less than 165 would be

Hence , the probability that your sample has mean less than 165 is 0.1492 .
Answer: Small number = 15.
Larger number = 20
Step-by-step explanation:
Let the smaller number be x.
The larger of two numbers is five more than the smaller. Thus, the larger number is x+5.
Twice the larger is twenty less than four times the smaller. This can.be written as:
2(x + 5) = 4x - 20
2x + 10 = 4x - 20
2x - 4x = -20 - 10
-2x = -30
x = 30/2
x = 15
The smaller number is 15
Larger number = x + 5 = 15 + 5 = 20