Answer:
The answer to this question can be defined as follows:
Step-by-step explanation:
In the question some iformation is missing, which can be defined as follows:
Given:
The value of males:

The value of Females:

Calculating Degrees of Freedom:





for 95% confidence interval are:
From its t-distribution table , the value of t has an region of (
) for (df=95) in its upper tail.
shall be given by = t {0.025}=1.985
Calculating the margin of Error:


The difference in mean bill color "
" with 95% confidence intervals:

Lower limit=3.771
Upper limit = 5.249
1000 is the missing exponent
Answer:
25
Step-by-step explanation:
25 has 2 digits
25 is less than 30
25 is odd
2+5 = 7
It is 25.
Answer:
Step-by-step explanation:
4.2x+4.7=18.6
Multiple each term by 10
42x + 47 = 186
Collecting like terms
42x = 186 - 47
42x = 139
x = 139/42
x = 3 13/42 or 3.3