0.75 + 0.50 = 1.25 = 1 and 1/4
Answer:
$6.57
Step-by-step explanation:
Answer:
4440 or 4400
Step-by-step explanation:
To round 4435 to the nearest 10 we need to look at the number to the right of the 10, if it is a 1-4 we round down, if it is a 5-9 we round up. in this case the 3 is the ten and the 5 is the number to the right. Since it is in the numbers 5-9 we will round up. the nearest 10 above 35 is 40 so the new number will be 4440. We will repeat the process for rounding to the nearest hundred just with the hundred number which is a 4. the number to the right of the hundred is a 3 which means we will round down. the nearest hundred below 435 is 400 so the new number is 4400.
I hope this helps and please let me know if there is any further confusion or questions I would be happy to help!
(x,y)
to be a function
for every x, ther must be only 1 y to corespond to it
basically, x must NEVER repeat with a different y
list them
ah, we see (1,1) an d(1,-1)
also (4,2) and (4,-2)
double offense
1 repeats with 1 and -1
4 repeats with 2 and -2
not a function
domain is all x values
range is all y values
if they repeat, don't list them
domain=(0,1,4)
range=(-2,-1,0,1,2)
Answer:
The requirements for the hypothesis test does satisfied the method for testing the claim that from two population proportions the rate of polio is less for children given the salk vaccine.
Step-by-step explanation:
The percentage of children in the treatment group was:
(201229/401974)*100 = 49.9%
The percentage of children given placebo was:
(200745/401974)*100 = 50.1%
The percentage of children that developed polio in the treatment group:
(33/200745)*100 = 0.0164%
The percentage of children that developed polio in the placebo group:
(115/201229)*100 = 0.0571%
The percentage difference between the two group:
((0.0571-0.0164)/0.0571) = 61.62%
Therefore:
The amount of children used for each group was almost divided into half of the total amount of children. The test revealed although very small percentages of the both group developed polio, 68.62% more children given placebo than the children that was given the salk vaccine. Therefore, the study shows that the rate of polio is less for children given the salk vaccine and the the hypthesis test is satisfied.