A community for students.
Here's the question you clicked on:
 0 viewing
askme12345
 4 years ago
STATISTICS
askme12345
 4 years ago
STATISTICS

This Question is Closed

askme12345
 4 years ago
Best ResponseYou've already chosen the best response.01. A physician wanted to estimate the mean length of time that a patient had to wait to see him after arriving at the office. A random sample of 36 patients showed a mean waiting time of 23.4 minutes and a standard deviation of 7.2 minutes. Find a 96% confidence interval for .

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0sd/sqrt(n) sounds familiar

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0\[z=\frac{xmean}{sd/\sqrt{n}}\]

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0where z is the value at Za = .02 maybe?

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1327284026014:dw

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0i know im missing something :/

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0we want the interval of Lx to Rx right?

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0z = 2.06 if i see the table right

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0\[z=\frac{xmean}{sd/\sqrt{n}}\] \[z(sd/\sqrt{n})={xmean}\] \[z(sd/\sqrt{n})+mean={x}\] \[2.06(7.2/\sqrt{36})+23.4={x}\text{ to the right}\] \[2.06(7.2/\sqrt{36})+23.4={x}\text{ to the left}\]

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0with any luck that is :) im sure im forgetting something important tho
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.