Mathematics
Mathematics, 24.09.2020 01:01, shealene7

Georgianna claims that in a small city renowned for its music school, the average child takes less than 5 years of piano lessons. We have a random sample of 20 children from the city, with a mean of 4.6 years of piano lessons and a standard deviation of 2.2 years. Construct a 95% confidence interval for the number of years students in this city take piano lessons, and interpret it in context of the data.

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:30, Gabby1128
We must first determine the shape of a rectangular prisms _ a0 to find area of the prism
Answers: 3
image
Mathematics, 21.06.2019 17:30, n987
Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut
Answers: 1
image
Mathematics, 21.06.2019 19:30, gabby77778
[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 3
image
Mathematics, 21.06.2019 23:00, shelbie76
Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.
Answers: 2
Do you know the correct answer?
Georgianna claims that in a small city renowned for its music school, the average child takes less t...

Questions in other subjects: