Answer:
The sample proportion of printers used in small business is:
The 95% confidence interval for the population proportion of printers that are used in small businesses is:
Where:
is the critical value at 0.05 significance level
Therefore, the 95% confidence interval for the population proportion of printers that are used in small businesses is (0.245 , 0.469)
Answer:
Step-by-step explanation:
x2 - 4x - 12 = 0
x2 - 6x + 2x - 12= 0
x(x - 6) + 2(x - 6) = 0
x + 2 = 0
x = - 2
x - 6 = 0
x = 6
2x-5=x+2
x=7
The answer is 7
Answer: The percent that you get your first heads on the 6th toss is about 2.26%.
To reach this event, you would have to flip a tails 5 times in a row. Then, you would have to flip a heads.
If we multiplied all the percent together, it would look like:
0.55 x 0.55 x 0.55 x 0.55 x 0.55 x 0.45
Multiplying those gives a value of 2.26%.
