Mathematics, 14.11.2019 03:31 yam44
1a technical magazine stated that the mean retail cost of all models of a particular laptop was $600. a random sample of 10 stores that sell that laptop in los angeles found it sold with a mean cost of $ 586.50 and a standard deviation of $26.77. does this indicate that the mean cost of that laptop in los angeles is less than $ 600
Answers: 2
Mathematics, 21.06.2019 13:20
Clara solved the equation 7/3x = −2/3 as shown → 7/3x( 3/7 ) = −2/3 ( 3/7 ) x = −14 what is clara’s error?
Answers: 1
Mathematics, 21.06.2019 20:30
Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π
Answers: 1
1a technical magazine stated that the mean retail cost of all models of a particular laptop was $600...
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