Gavin was playing with a spinner that has 4 equal areas, numbered 1, 2, 3 and 4.
Gavin
spun t...
Mathematics, 07.12.2020 17:40 sofo24
Gavin was playing with a spinner that has 4 equal areas, numbered 1, 2, 3 and 4.
Gavin
spun the spinner 100 times and 26 of the 100 spins came up as a 4. He wanted
to see how likely a result of 26 fours in 100 spins would be with a fair spinner, so
Gavin used a computer simulation to see the proportion of fours in 100 spins,
repeated 100 times, assuming a probability of of spinning a 4. Create a 95%
confidence interval based on the data from the simulation, to the nearest hundredth,
and state whether the observed proportion of fours is within the margin of error of
the simulation results.
Answers: 1
Mathematics, 21.06.2019 15:40
Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.
Answers: 1
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