1,4,3 are parallelogram and the the second one is not necessarily a parallelogram
Answer:
arithmetic
Step-by-step explanation:
an arithmetic sequence is when you add or minus the same number
6/10 and 12/20 are both equivalent to 3/5
Answer:
0.2 = 1/5
Step-by-step explanation:
Convert 0.2 into a fraction.
You get 2/10.
Now simplify that number by dividing both the numerator and the denominator by 2.
You get 1/5.
Since 1/5 = 1/5, 0.2 and 1/5 are equivalent.
Answer: 0.0062
Step-by-step explanation:
Given : Mean : 
Standard deviation :
Sample size : 
Assume that age of people in the country is normally distributed.
The formula to calculate the z-score :-

For x = 32

The p-value = 

Hence, the the probability that the average age of our sample is at least =0.0062