Mathematics, 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

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?

Answers: 2

Mathematics, 22.06.2019 00:30, angelyce4142

How can you check that you have correctly converted frequencies to relative frequencies?

Answers: 1

Asample of 16 families was drawn for analysis of the average grocery spending. assume that the indiv...

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