Mathematics, 22.04.2020 04:09 preservations
G A sample of 20 items from a population with an unknown s is selected in order to develop an interval estimate of m. Which of the following is not necessary? Group of answer choices We must assume the population has a normal distribution. We must use a t distribution. Sample standard deviation must be used to estimate ďł. The sample must have a normal distribution.
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What is the simplified form of 7 âx ⢠7 âx ⢠7 âx ⢠7 âx?
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Write the fraction 9/50 as a decimal if needed round to the nearest hundredth
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Mathematics, 21.06.2019 19:30
Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2
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Mathematics, 21.06.2019 20:00
Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?
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G A sample of 20 items from a population with an unknown s is selected in order to develop an interv...
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