A) Shane’s pets >5
B) Money Earned > 200
3) Bre’s Score > 75
4) Sarah’s Dance practice ≤ 2 hours
5) Shannon’s Age < 8 years old
Part a: For variable X using z score you have (x-30)/10, replace X for this expression in (a), i mean Z=2+10((x-30)/10) = 2+x-30= put this in the way of z score = (x-18)/1, so the mean is 18 and standard deviation is 1.
Part b: Z=X+Y= (x-30)/10 + (x-20)/8 = solve adding fractions = (18x-440)/80 now divide all the numbers between 18 (because you need to show as z score way) = (x-24.4)/4.4, so the mean is 24.4 and standard deviation is 4.4.
For part c,do the same.
When you change the quick picture, the problem always changes and so does the sum of the problem, but if you like change the same numbers around you gonna get the same outcome.
Answer:
Hello
Step-by-step explanation
3 3/4 goes first on the left side then 3 1/4, 2 3/4,
2 1/2 ,1 3/4, 1 1/4, 1, 2, 3
Hope this helps
