If we want to write the given four numbers in another form, we can write it like this;
Now let's rewrite the given expression and get the result.
She has 3 children. One children is 17, the other is 19 and the other one is 23
The answer is 0.5
Have an nice day!
Answer – C. the sample size 16 is too small
If we toss a coin 16 times in order to test the hypothesis
H0: p = 0.5 that the coin is balanced, we can't use the z-test for a proportion
in the situations because the sample size 16 is too small. The z-test is best
used when the sample size is greater than 30; when the sample size is less than
30, t-test is more appropriate.
