The number of hours worked per year per adult in a state is normally distributed with a standard deviation of 37. a sample of 115 adults is selected at random, and the number of hours worked per year per adult is given below. use excel to calculate the 98% confidence interval for the mean hours worked per year for adults in this state. round your answers to two decimal places and use ascending order. number of hours225019872029201819382197209922 2 82245191319032298223122001902216122 1 12124208222572087212319291948212420 1 31973200020301932199320142118190021 9 50352088201019622166191820702277211 4 19752045205019212103195420172235199 3 21561984205722002133214421452219102 1 43216321682246218619072072214221872 0 36220722702262215919141926226120061 9 48202822562182195519691941192421762 2 56205121112221190206819422024225822 0 12085206120042260213622441989194122 9 72159226020932293

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dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

you are playing an adventure game on your computer. you come across a troll who won't let you pass and there is no other way to get to the other side of the river except over the bridge he is guarding.

the troll is a nerd. he takes great delight in watching people struggle with his problems. very few get them. he only gives you one chance and then he changes the puzzle. you have to solve this one.

before you are four blocks. they are numbered 11,6, -7,21.

he tells that the answer he wants is minus and between -1 and - 2. you can use +, -, ×, ÷   ( and ) as many times as you like or no times at all. you don't like the way he's looking at you, but you need to cross the bridge. what do you do?