subject
Mathematics, 23.10.2021 03:30 gabi83

I need help with my Algebra 1 ugh plz help! Sorry there’s a typo


I need help with my Algebra 1 ugh plz help! Sorry there’s a typo

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:20
Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.
Answers: 2
question
Mathematics, 21.06.2019 21:00
Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?
Answers: 2
question
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
Mathematics, 22.06.2019 07:00
How to square the standard deviation? how do you get the bottom number so you can actually square it? for instance, 22/6 squared is 1.91, where did they get the 6 from?
Answers: 3
You know the right answer?
I need help with my Algebra 1 ugh plz help! Sorry there’s a typo
...
Questions
question
Mathematics, 18.01.2021 23:30
Questions on the website: 13722359