When a scientist conducted a genetics experiments with peas, one sample of offspring consisted of 905 peas, with 686 of them having red flowers. If we assume, as the scientist did, that under these circumstances, there is a 3 divided by 4 probability that a pea will have a red flower, we would expect that 678.75 (or about 679) of the peas would have red flowers, so the result of 686 peas with red flowers is more than expected. a. If the scientist's assumed probability is correct, find the probability of getting 686 or more peas with red flowers. b. Is 686 peas with red flowers significantly high? c. What do these results suggest about the scientist's assumption that 3 divided by 4 of peas will have red flowers? a. If the scientist's assumed probability is correct, the probability of getting 686 or more peas with red flowers is nothing. (Round to four decimal places as needed.)
a)
p^ = X/n = 686/905 = 0.75801
when p = 0.75
P(p^ > 0.75801)
= P(Z > ( 0.75801 - 0.75)/sqrt(0.75*0.25/905))
= P(Z > 0.5564 )
= 0.289
b)
since 0.289 > 0.05, this is not significantly high
c)
it is true
When a scientist conducted a genetics experiments with peas, one sample of offspring consisted of 905...
When a scientist conducted a genetics experiments with peas, one sample of offspring consisted of 905 peas, with 683 of them having red flowers. If we assume, as the scientist did, that under these circumstances, there is a 3/4 probability that a pea will have a red flower, we would expect that 678.75 (or about 679) of the peas would have red flowers, so the result of 683 peas with red flowers is more than expected. a. If the scientist's...
When a scientist conducted a genetics experiments with peas, one sample of offspring consisted of 931 peas, with725 of them having red flowers. If we assume, as the scientist did, that under these circumstances, there is a 3/4 probability that a pea will have a red flower, we would expect that 698.25 (or about 698) of the peas would have red flowers, so the result of 725 peas with red flowers is more than expected. a. If the scientist's assumed...
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