The balloon begins to loose pressure.
Answer:
mean of all 30 students is 69
Explanation:
given data
students = 30
mean = 29
μ = 68 points
student scored = 98 points
to find out
What is the mean for the class of all 30 students
solution
we know here mean score of 29 students is 68
so sum of score is here = 29 × 68
sum of score = 1972
so
sum of 30 students score is = sum of 29 students score + missing score
sum of 30 students score is = 1972 + 98
sum of 30 students score is = 2070
so
mean of all 30 students is =
mean of all 30 students is =
mean of all 30 students is 69
Answer:
it is good so you can save more money.
Explanation:
i know because me and my dad went to the toy stor and we saved a lot of money.