![subject](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 04:00 jahmanilittlejotz1pe
Buys spices for 76 dollars sells for 100. for each sack he sells he makes a profit of 2 dollars how many sacks did he sell
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
(20 points) a bank has been receiving complaints from real estate agents that their customers have been waiting too long for mortgage confirmations. the bank prides itself on its mortgage application process and decides to investigate the claims. the bank manager takes a random sample of 20 customers whose mortgage applications have been processed in the last 6 months and finds the following wait times (in days): 5, 7, 22, 4, 12, 9, 9, 14, 3, 6, 5, 15, 10, 17, 12, 10, 9, 4, 10, 13 assume that the random variable x measures the number of days a customer waits for mortgage processing at this bank, and assume that x is normally distributed. 2a. find the sample mean of this data (x ě…). 2b. find the sample variance of x. find the variance of x ě…. for (c), (d), and (e), use the appropriate t-distribution 2c. find the 90% confidence interval for the population mean (îľ). 2d. test the hypothesis that îľ is equal to 7 at the 95% confidence level. (should you do a one-tailed or two-tailed test here? ) 2e. what is the approximate p-value of this hypothesis?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:40
Solve the following system of equations express your answer as an ordered pair in the format (a,b) with no spaces between the numbers of symbols 5x+2y=22
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00
Which of the following is another way to express the difference between -5 and 8?
Answers: 1
You know the right answer?
Buys spices for 76 dollars sells for 100. for each sack he sells he makes a profit of 2 dollars how...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 29.12.2020 02:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 29.12.2020 02:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.12.2020 02:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mir.png)
World Languages, 29.12.2020 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.12.2020 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.12.2020 02:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.12.2020 02:10
![question](/tpl/images/cats/en.png)
English, 29.12.2020 02:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 29.12.2020 02:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.12.2020 02:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.12.2020 02:10
![question](/tpl/images/cats/User.png)
SAT, 29.12.2020 02:10