﻿ Asample of 16 families was drawn for analysis of the average grocery spending. assume that the individual weekly records are normally
, 08.11.2019 05:31, princesincer9256

# Asample of 16 families was drawn for analysis of the average grocery spending. assume that the individual weekly records are normally distributed, with the unknown population average and unknown population standard deviation. sample summaries were: (sample mean) = $154 and (sample standard deviation) =$40. do you have sufficient evidence that the population average would be below $172? use the significance level of 10%. Answers: 1 ### Other questions on the subject: Mathematics Mathematics, 21.06.2019 18:00, brooke0713 Galen sold tickets of his church’s carnival for a total of$2,820. children’s tickets cost $3 each and adult tickets cost$5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?
Mathematics, 21.06.2019 19:10, slm1595
Pranza plotted point a in the coordinate plane below.
Mathematics, 21.06.2019 23:00, mtiger
Write as a polynomial: 5a(2x–a)–(8a–x)(2x–a)