Mathematics, 28.04.2021 14:00 deonceee4671
A group of 25 students is asked which of football or rugby they play regularly.
โข 10 say they play both.
15 say they play rugby.
4 say they do not play either of the sports.
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a) Complete the Venn diagram.
The universal set, &, contains all of the
25 students.
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b) One of these students is chosen at random.
What is the probability that this person plays football?
Answers: 3
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Given: lkm jkm, clmk prove: alkmajkm jmk. choose the word that completes the sentence correctly. proof: lkm jkm and lmk * umk are given. km km by the property of congruence. equivalence symmetric reflexive transitive
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An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 120 lb and 161 lb. the new population of pilots has normally distributed weights with a mean of 125 lb and a standard deviation of 28.1 lb. a)if a pilot is randomly selected, find the probability that his weight is between 120 lb and 161 lb.the probability is approximately? b. if 36 different pilots are randomly selected, find the probability that their mean weight is between 120 lb and 161 lb. the probability is approximately? c. when redesigning the ejection seat, which probability is more relevant? . part (b) because the seat performance for a single pilot is more important. b. part (b) because the seat performance for a sample of pilots is more important. c. part (a) because the seat performance for a sample of pilots is more important. d. part (a) because the seat performance for a single pilot is more important.
Answers: 3
Mathematics, 22.06.2019 04:20
Which math statement does not contain a math variable ?
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A group of 25 students is asked which of football or rugby they play regularly.
โข 10 say they play...
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