$1)\ \ \ -1 \frac{3}{4} -(- \frac{1}{2} )=-1 \frac{3}{4} +\frac{1}{2} =-1 \frac{3}{4} +\frac{2}{4} =-1 \frac{1}{4} \\\\2)\ \ \ - \frac{1}{5} +1 \frac{3}{4} =- \frac{4}{20} +1 \frac{15}{20} =1 \frac{11}{20}$

5 0

4 years ago

s A bag contains 9 red marbles, 6 white marbles, and 7 blue marbles. Randomly choose two marbles, one at a time, and without rep

laila [671]

The probability of white is 6/16
The probability of blue is 7/15

3 0

2 years ago

F(x) = 4x2*<br> How do u graph this

Allushta [10]

Answer:

Step-by-step explanation:

honestly im not really

5 0

4 years ago

When constructing a confidence interval for a population mean, if a population is normally distributed and a small sample is tak

ddd [48]

Answer:

<h3>"When constructing a confidence interval for a population mean, if a population is normally distributed and a small sample is taken, then the distribution of is based on the <u> "t" </u>distribution</h3>

Step-by-step explanation:

Given that "When constructing a confidence interval for a population mean, if a population is normally distributed and a small sample is taken, then the distribution of is based on the "<u>t"</u>distribution."

Because the given sample size is smaller so we have to use the "t" distribution for constructing the confidence interval for a given population

6 0

3 years ago