13/In a coin collection, the number of quarters is 3 times the number of dimes. If there are 68 coins in all, what fraction of the coins are dimes? 14. In a certain week, the Verizon store sold 84 cell phones. If the ratio of i- phones to Android phones was 4 to 3, how many i-phones were sold? 15.A math test contains 54 problems on Arithmetic and Algebra. If there are twice as many arithmetic problems as algebra problems, how many algebra problems were there? * Gvtn thert at 1.5 times as many boyr Xt Y= 40 Xtl.5X -40 thin lb2 Intittort, y # of louys Y- 1.5x 1014 2.5 x-40 X l6 S.Oh Wtll pitsen CSS re broken? oe anolano bas lodaud s O iol leb adoicH ledaud a 032ol liee aslqqa Roe asiqgal .0S en mat ioor erit anob vonom doum wod Jadaud Ss bas Jsdend bow ordtmot O80r2 2sis0e dTS Sholloeanolno o ladaud s esob doum wod Jadaud & 012ole 2003 2.2 Tol loa aslqgsl odaud & O12 OP YOl nSN! 1D/ 0411 0! y 0007:09X03 00I22DI hud 04101-011 1 812 1 0O#HB y):02118 01 101 1 21 101 5ioz 189 0OF PS (O 341 TN ND CO4! 0 CE 7 80

Q: 3. Suppose 1500 runners are in a race. How many ways could the runners finish in 1t, 2nd and 3rd…

A:

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A: show/prove what the answer is to 0 divided by 4 is.

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A: a2-2a-8=0

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.