A) the z score for 95% is 1.96
Multiply by the deviation:
1.96 x 0.005 = 0.0098
Now add and then subtract that from the mean:
4.035 - 0.0098 = 4.0252
4.035 + 0.0098 = 4.0448
The interval is (4.0252, 4.0448)
B) 4.035 +/- 1.96 x sqrt( 0.005/sqrt(25))
= 4.035 +/-0.00196
Answer: ( 4.033, 4.037)
C) the conclusion is that both 4.020 and 4.055 are out of the range.
4.020 is below the lowest range and 5.055 is higher than highest range.
Answer:
Its D
Step-by-step explanation:
It is known and called sex ratio, The sex ratio in the
ratio of males to every female in the population in each country. According to
the research, for every 1000 people, there are 50.4% of male and 49.6% of
female. So that there are more male in the entire world than female and also
according to research the sex ratio for the entire world are 107 males and 100
females.
Answer:
1. 7%
2. 55%
3. 15%
Step-by-step explanation:
That's the answer
3x - 6y = 72...reduce by dividing everything by 3
x - 2y = 24...notice how this is exactly the same as the other equation....means that the lines are the same line...meaning infinite solutions
