<span>1.5x-6.5
Substitue 9 for x
1.5(9) - 6.5
Multiply 1.5 by 9
13.5 - 6.5
Subtract
Final Answer: 7</span>
Answer:
Step-by-step explanation:
For this case we have a sample of n =10 and we have the following statistics:
And we want to estimate the population variance. We need to remember that the population variance is given by this formula:
And the sample variance is given by:
And we can find a formula for the population variance in terms of the sample deviation like this:
And replacing we got:
1)Shade 56 of the cubes
2)0.056
There are approximately 261 weekdays in a year