Mathematics, 28.04.2021 02:30 barattah
A bioengineering firm was working to increase the yield of eggplant crops, and it developed two promising strains of eggplant. The firm
decided to check that Strain A produced less than Strain B by replicating the test on a much larger scale by planting the crops in 5
different fields. The fields were randomly assigned a density at which the seeds were planted, with half of each field growing one of the
two strains. The results of the yields (in pounds per square yard) are shown below. Note: d=(Strain A-Strain B)
Strain A
Strain
4.21
4.24
4.23
4.28
4.25
4.29
4.19
4.29
4.21
4.23
Assume that both of the populations are normally distributed. At the 0.10 level of significance, is there sufficient evidence to show that
the yield of Strain A is less than Strain B?
Complete the steps for this hypothesis test to determine a conclusion and interpret the results.
Answers: 2
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In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
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Answers: 3
A bioengineering firm was working to increase the yield of eggplant crops, and it developed two prom...
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