Eliza spun a spinner with three colouredsections 20 times and recorded some ofher results in the table below.a) How many times did the spinner land onwhite?b) Eliza spins the spinner again. Based onthe experimental probabilities, which colouris it most likely to land on?c) Copy and complete the sentence belowto explain how Eliza could improve herexperiment to get better estimates for theprobabilities.Colour FrequencyWhiteYellowPink2Experimentalprobability0.4She could improve her experiment bychanging the colourson the spinnerincreasing the totalnumber of spinsdecreasing the number ofsections on the spinnerdecreasing the totalnumber of spinsincreasing the number ofsections on the spinner

We have to find the a) How many times did the spinner land on white? b) Eliza spins the spinner…

Answered: Eliza spun a spinner with three…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A group of 50,000 tax forms has an average gross income of $37,000, with an SD of about $20,000. Furthermore, 20% of the forms have a gross income over $50,000. A group of 900 forms is chosen at random for audit. What is the chance that between 19% and 21% of the forms chosen for audit have gross income over $50,000? (Show the box model and the result of your work.) Answer: %
Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students eat pizza and drink soda, what is the probability that a randomly chosen high student will either eat pizza, drink soda, or both?
In a three-coin experiment, what is the probability of gettinga. 1 head?b. 2 heads? c. 3 heads?
solve the question step by step
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Heather has a bag with 16 red blocks, 11 blue blocks, 9 purple blocks, 15 green blocks, 8 yellow blocks and 20 orange blocks. If she were to draw a block out of the bag, record the color and replace the block in the bag, repeating 500 times, what would be the most likely probability of drawing a green block (round to the nearest hundredth)? Question 3 options: 0.20 0.14 0.30 0.19
We randomly select a batch of 40 computer disks for shipment. The probability of selecting a good disk is the same as the probability of selecting a defective disk. In part C, you will determine the probability that this shipment contains 10 defective disks and 30 good disks for our batch or 15 defective disks and 25 good disks for our batch. Note: I am not asking for an example of an outcome, although I may ask for examples of outcomes on the exam. A. What is the size of your sample space S? i.e., How many different outcomes (batches of 40 disks) in your sample space? What are the conditions? What counting technique(s) are you using? B. How many outcomes when randomly selecting 10 defective disks and 30 good disks for our batch or 15 defective disks and 25 good disks for our batch. What are the conditions? What counting technique(s) are you using? C What is the probability of randomly selecting a batch of 10 defective disks and 30 good disks or a batch of 15 defective disks and 25…
A study was performed to test eyewitness accuracy. Ten pairs of participants entered a room believing they would be participating in a gambling experiment. Each participant was given $10 in coins to play poker with. The participants were randomly seated near the door or away from the door. After 15 minutes, an actor dressed in street clothes burst into the room and stole the money from the participant near the door. The “thief” was later caught, and both participants (the victim and the witness) were asked to identify him in a line-up. Eyewitness accuracies from the participants were then compared. The ten victims reported a mean accuracy of 31.5 (SD = 21). The witnesses had a mean accuracy of 52.2 (SD = 19.5). Was there a difference? What was the effect size of eyewitness accuracy? Show the nul and alternative hypthoesis, aplhpa level 0.05 and test the null hypothtesis and draw the rejctin line, conclusion and effect size
Given the probabilities A=0.47, B=0.82, C=0.45, D=0.62, E=0.40. What is the probability that the engineer has made four wrong choices?

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