4
One in 1200 are not particularly good odds. On the other hand, winning the lotto is 1 chance in 13,000,000 which if you've ever played the lotto you know that those odds are good enough to insure that if you played for the rest of your life and you are 18 not expect to live to 80 and you have 104 [given 2 draw a week] chances of winning per year, it likely won't happen. One in 1200 is better but still not good, especially with only 1 draw.
3
As a fraction her probability of winning is 1/2000 which is 0.000833333 as a decimal. You can put that in as
1
÷
1200
=
if you are not sure how your calculator works.
2
Sample Space = {1,2,3,4 .... 1198,1199,1200}
The outcome depends on sophies number. Either 1 number can be chosen or all of them can.
1
The sample space is the integers from 1 to 1200 inclusive.
Answer:
Step-by-step explanation:
Let X be the average of tennis balls.
mu = 55.4 inches
Hypotheses:
H_0: x bar = 55.4\\
H_a: x bar \neq 55.4
(Two tailed test at 10% significance level)
n = 25: x bar = 56.6 and s = 0.25
STd error =s/sqrt 25 = 0.05
Mean diff = 56.6-55.4 = 1.2"
t statistic = 1.2/0.05 = 24
df= 24
t critical value = ±1.318
Since t statistic lies outside this we reject null hypothesis
The company does not manufacture acceptable tennis balls and this is evidence at 90% confidence interval
Answer:
None of the exponential equations given in the two options have initial value 2.
Step-by-step explanation:
The general form of an exponential function to have initial value of 2 is
where b ≠ 1.
Now, in the given two options the first one has equation , and the other given table forms the exponential function equation .
Therefore, none of the exponential equations given in the two options have initial value 2. (Answer)
Answer:
Second choice
Step-by-step explanation:
f(x) = (1/4)(x + 4)^2 - 9
f(x) = (1/4)(x^2 + 8x + 16) - 9
f(x) = (1/4)x^2 + 2x + 4 - 9
f(x) = (1/4)x^2 + 2x - 5
(1/4)x^2 + 2x - 5 =
= (1/2 x + 5)(1/2 x - 1)
Answer: Second choice
Step-by-step explanation:
25 to 10 it says 25 at first so you put 25 before the 10