Mathematics, 09.08.2019 00:10 bryanna0105
In san jose a sample of 73 mail carriers showed that 30 had been bitten by an animal during one week. in san francisco in a sample of 80 mail carriers, 16 had received animal bites. is there a significant difference in the proportions? use a 0.05. find the 95% confidence interval for the difference of the two proportions.
Answers: 2
Mathematics, 21.06.2019 19:00, mandilynn22
Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?
Answers: 1
Mathematics, 21.06.2019 19:30, valerieaj113
Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500
Answers: 2
In san jose a sample of 73 mail carriers showed that 30 had been bitten by an animal during one week...
Mathematics, 05.05.2020 16:01