Mathematics, 25.03.2021 16:50 robertotugalanp1wlgs
A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall: $23.71,$17.79,$29.87,$18.78,$28.76 Construct the 95% confidence interval for the average amount spent by 9 to 11 year olds on a trip to the mall. Assume the population is approximately normal. Step 3 of 4 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
Answers: 3
Mathematics, 21.06.2019 15:30, schoolboyq3017
The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y
Answers: 1
Mathematics, 21.06.2019 23:00, jholland03
Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.
Answers: 1
A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall: $2...
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