Excel using RAND functions

Spencer96

New Member
Joined
Sep 1, 2017
Messages
3
Does anyone knows how to solve the below question???? I've been stuck at this question for WEEKS. Kindly help!!!!!



The slot machine is a favorite among many patrons in casinos and private clubs. It has three identical reels, each reel with spots for 64 images.These include cherry, plum, melon, ace, bar, bell, diamond, lemon, gold coins, orange, and seven. After inserting one or more dollar coins, the gambler pulls the handle and the reel spin. The machine displays three images, one from each reel, when the reels stop spinning. Depending on the counts of certain images displayed and the bet inserted, the machines gives in return nothing, some coins, or an overflowing payoff.

A. Construct a spreadsheet model to simulate the slot machine. Assume in each reel, there are 4 cherry, 4 plum, 4 melon, 5 ace, 5 bar, 7 bell, 7 diamond, 7 lemon, 7 gold coins, 7 orange and 7 seven images, all randomly arranged.

B. For every $1 inserted, the payoff for 1 cherry image is $2, 2 cherry images gives $5, and 3 cherry images gives $10; 2 plum images gives $20, 3 plum images gives $30; and 2 melon images gives $40 and 3 melon images gives $60. What is the net balance after 28 pulls when the initial is $100 and bets are all $1 each?

C. How do you handle more complex payoff conditions? For example, a set of 1 gold coins, 1 diamond and 1 melon images to pay out $150 per dollar bet.
 

Excel Facts

Add Bullets to Range
Select range. Press Ctrl+1. On Number tab, choose Custom. Type Alt+7 then space then @ sign (using 7 on numeric keypad)
start with a simpler set up eg 6 pictures per reel and only cherries, bells and bars

on each reel there are 4 cherries 1 bell and one bar

clearly the chance of 3 bars is 1 in 6 times 1 in 6 times 1 in 6 = 1 in 216

you need to use the rand function to select a picture

so have a column
cherry
cherry
cherry
cherry
bell
bar

in the column to the right put =rand()

then look for the smallest random number and the picture next to it is the first reel selection

you will find challenges ie the same pattern comes up every time you open the spreadsheet

so make a start and come back with specific questions
 
Upvote 0
[TABLE="width: 704"]
<colgroup><col width="64" span="11" style="width:48pt"> </colgroup><tbody>[TR]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"]col D[/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[/TR]
[TR]
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[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]random[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]numbers[/TD]
[TD][/TD]
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[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]smallest[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]row 6[/TD]
[TD][/TD]
[TD]cherry[/TD]
[TD="align: right"]0.678259[/TD]
[TD][/TD]
[TD="align: right"]0.337997[/TD]
[TD]bell[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD]cherry[/TD]
[TD="align: right"]0.548089[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD]cherry[/TD]
[TD="align: right"]0.991522[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD]cherry[/TD]
[TD="align: right"]0.945388[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD]bar[/TD]
[TD="align: right"]0.870596[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD]bell[/TD]
[TD="align: right"]0.337997[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
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[/TR]
[TR]
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[/TR]
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[/TR]
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[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"]formula finding bell is[/TD]
[TD][/TD]
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[/TR]
[TR]
[TD][/TD]
[TD][/TD]
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[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 5"]=OFFSET($D$5,MATCH(F6,$D$6:$D$11,0),-1)[/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
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[/TR]
</tbody>[/TABLE]
 
Upvote 0
[TABLE="width: 643"]
<colgroup><col><col span="5"><col><col><col></colgroup><tbody>[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]Winning Match[/TD]
[TD]Probabilities[/TD]
[TD]Payoffs[/TD]
[/TR]
[TR]
[TD] [/TD]
[TD]Reel 1[/TD]
[TD]Reel 2[/TD]
[TD]Reel 3[/TD]
[TD][/TD]
[TD][/TD]
[TD]1 Cherry Image[/TD]
[TD][/TD]
[TD]2[/TD]
[/TR]
[TR]
[TD]Cherry[/TD]
[TD]4[/TD]
[TD]4[/TD]
[TD]4[/TD]
[TD][/TD]
[TD][/TD]
[TD]2 Cherry Image[/TD]
[TD][/TD]
[TD]5[/TD]
[/TR]
[TR]
[TD]Plum[/TD]
[TD]4[/TD]
[TD]4[/TD]
[TD]4[/TD]
[TD][/TD]
[TD][/TD]
[TD]3 Cherry Image[/TD]
[TD][/TD]
[TD]10[/TD]
[/TR]
[TR]
[TD]Melon[/TD]
[TD]4[/TD]
[TD]4[/TD]
[TD]4[/TD]
[TD][/TD]
[TD][/TD]
[TD]2 Plum Image[/TD]
[TD][/TD]
[TD]20[/TD]
[/TR]
[TR]
[TD]Ace[/TD]
[TD]5[/TD]
[TD]5[/TD]
[TD]5[/TD]
[TD][/TD]
[TD][/TD]
[TD]3 Plum Image[/TD]
[TD][/TD]
[TD]30[/TD]
[/TR]
[TR]
[TD]Bar[/TD]
[TD]5[/TD]
[TD]5[/TD]
[TD]5[/TD]
[TD][/TD]
[TD][/TD]
[TD]2 Melon Image[/TD]
[TD][/TD]
[TD]40[/TD]
[/TR]
[TR]
[TD]Bell[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD][/TD]
[TD][/TD]
[TD]3 Melon Image[/TD]
[TD][/TD]
[TD]60[/TD]
[/TR]
[TR]
[TD]Diamond[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Lemon[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Gold Coins[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Orange[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Seven[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD]7[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]Total[/TD]
[TD]64[/TD]
[TD]64[/TD]
[TD]64[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD="colspan: 2"]Possible Number of Combinations[/TD]
[TD]262144[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
</tbody>[/TABLE]


I've started, but have stuck here...
I have limited knowledge about excel functions, so pardon me if I'm wrong.
Do you mean using the RAND() function in the probabilities column??
 
Upvote 0

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