![subject](/tpl/images/cats/mat.png)
Mathematics, 26.06.2019 17:10 tkdurocher
Arandom sample of 25 fields of rye has a mean yield of 31.2 bushels per acre and standard deviation of 6.99 bushels per acre. determine the 80% confidence interval for the true mean yield. assume the population is approximately normal. (a) find the critical value that should be used in constructing the confidence interval. round your answer to three decimal places. (b) construct the 80% confidence interval. round your answer to one decimal place.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:20
Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:40
Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)
Answers: 2
You know the right answer?
Arandom sample of 25 fields of rye has a mean yield of 31.2 bushels per acre and standard deviation...
Questions
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 14:00
![question](/tpl/images/cats/istoriya.png)
History, 23.06.2019 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 23.06.2019 14:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 23.06.2019 14:00