Sara Gordon is heading a fund raising drive for a college. She wishes to concentrate on the current 10th reunion class and hopes to get contributions from 36% of the 250 members of that class. Past data indicate that those who contribute to the 10th year reunion will donate 4% of their annual salaries. Sara believes that the reunion class members' average salaries have an avg of 32000 dollars and a std. deviation of 9600 dollars. If her expectations are met (36% of class contributing 4% of their salaries), what is the probability that the reunion gift will be between 110000 dollars and 120000 dollars? Should I take the std error of sampling distribution and calculate the z score? If I do that, the z score comes to ~ 6.1

What is the range of the function ${\displaystyle y=x^2}$?

The domain and range of $y=\sin <!--\; \; -->x$ is
A)$R,[0,\mathrm{\infty <!--\; \infty \; -->}]$
B)$R,[-<!--\; -\; -->1,1]$
C)$R,[-<!--\; -\; -->\mathrm{\infty <!--\; \infty \; -->},\mathrm{\infty <!--\; \infty \; -->}]$
D)$R,[1,\mathrm{\infty <!--\; \infty \; -->}]$

Mean of the squares of the deviations from mean is called the:
Variance
Standard deviation
Quartile deviation
Mode

How to evaluate P(10,2)?

What is the effect of wind speed on evaporation?

What is the range of a linear function?

Find the range of ${\displaystyle \frac{x^2}{1-x^2}}$

State the main limitations of statistics.

What is the range of the function y = x?

Tell whether the statement is true or false : A data always has a mode.

In most cases,_____variables are not considered to be equal unless they are exactly the same.

A local newspaper in a large city wants to assess support for the construction of a highway bypass around the central business district to reduce downtown traffic. They survey a random sample of 1152 residents and find that 543 of them support the bypass. Construct and interpret a 95% confidence interval to estimate the proportion of residents who support construction of the bypass.

$3+3x3-3+3=?$What is the right answer and how?

Define lateral displacement.