Mathematics, 29.01.2021 21:20 yoongnzl
Elevii au confecționat 62 de căsuțe pentru păsărele, verzi și albastre. Dacă ar mai confecționa încă 12 căsuțe verzi, numărul acestora ar fi cu 22 mai mare decât numărul căsuțelor albastre. Câte căsuțe au confecționat din fiecare fel ?
Answers: 2
Mathematics, 21.06.2019 21:20
Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.
Answers: 2
Mathematics, 22.06.2019 02:30
What is the simplified form of 400x100 ? o 200x10 o 200x50 0 20x10 • 20x50
Answers: 1
Mathematics, 22.06.2019 04:30
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.
Answers: 1
Elevii au confecționat 62 de căsuțe pentru păsărele, verzi și albastre. Dacă ar mai confecționa încă...
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