 # An industrial designer wants to determine the average amount of time it takes an adult to assemble an “easy to assemble” toy. a sample of 16 times yielded an average time of 19.9 minutes, with a sample standard deviation of 6 minutes. assuming normality of assembly times, provide a 90% confidence interval for the mean assembly time.   ### Another question on Mathematics Mathematics, 13.04.2018 20:20
Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center? Mathematics, 04.02.2019 08:00
Use the frequency​ distribution, which shows the number of american voters​ (in millions) according to​ age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. ​(round to three decimal places as​ needed.) Mathematics, 03.02.2019 22:29
What is the factored form of the following expressions? d^2 – 13d + 36 Mathematics, 13.04.2018 20:31
When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years
An industrial designer wants to determine the average amount of time it takes an adult to assemble a...
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