Mathematics, 30.04.2021 07:30 jayp02
In a Random sample of 80 adults, the average number of messages received in a day was 50 with a standard deviation of 20. What is the 95% confidence interval for the average number of messages received by all adults daily?
Answers: 1
Mathematics, 21.06.2019 16:30
You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles
Answers: 3
Mathematics, 21.06.2019 17:40
Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =
Answers: 2
Mathematics, 21.06.2019 18:00
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
Answers: 1
In a Random sample of 80 adults, the average number of messages received in a day was 50 with a stan...
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