Answer: 0.2643
Step-by-step explanation:
Given : The proportion of adults are unemployed : p=0.077
The sample size = 300
By suing normal approximation to the binomial , we have


Now, using formula
, the z-value corresponding to 26 will be :-

Using standard distribution table for z , we have
P-value=

Hence, the probability that at least 26 in the sample are unemployed =0.2643
Answer:
Two distinct real solutions.
Step-by-step explanation:
Given the equation in the form
, you need to find the Discriminant with this formula:

For the equation
you can identify that:

Then, substituting these values into the formula, you get that the Discriminant is:


Since
, then
has two distinct real solutions.
Answer:
105 maybe
Step-by-step explanation:
Answer:
The answer would be 1.33 x 
Step-by-step
1.28 x
= 12800
5 x
= 500
12800 + 500 = 13300
13300 = 1.33 x
in scientific notation
Hope this helps:)
Sorry, I got the wrong answer earlier but I fixed it:)