Mathematics, 23.03.2021 20:30 uh8hardiek
Jacob picked a marble from a bag containing several marbles. Here are the results after 12 trials.
He picked red 5 times, blue 3 times and yellow 4 times.
What is the experimental probability of picking Red?
What is the experimental probability of picking Yellow?
What is the experimental probability of picking Blue?
Answers: 2
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 22.06.2019 00:30
Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.
Answers: 1
Jacob picked a marble from a bag containing several marbles. Here are the results after 12 trials....
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