A community for students.
Here's the question you clicked on:
 0 viewing
mariomintchev
 3 years ago
stats help needed...
mariomintchev
 3 years ago
stats help needed...

This Question is Closed

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0i need help with part A

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0i dont know what to do after i get the zscore... which is 0.966 (when rounded)

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0@estudier @myininaya @phi @sasogeek @Tyler1992

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0like what is the next step? i have the zscore and i have the graph drawn out (689599.7)

bahrom7893
 3 years ago
Best ResponseYou've already chosen the best response.0You look it up in the ztable. Sorry I'm bad at stat, hang around while help comes.

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0@ash2326 @Jemurray3

bahrom7893
 3 years ago
Best ResponseYou've already chosen the best response.0@amistre64 @satellite73

phi
 3 years ago
Best ResponseYou've already chosen the best response.1look in you z table for the area above 0.966 std dev. it looks like about 83 %

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0can you show me the work? im confused on the last steps

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0like how would i solve it without using Excel or something like that

phi
 3 years ago
Best ResponseYou've already chosen the best response.1You would use a ztable or calculator Do you use a table ?

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0i dont know what a z table is to be frank

phi
 3 years ago
Best ResponseYou've already chosen the best response.1Here is a site that does the conversion http://www.tutorhomework.com/statistics_tables/statistics_tables.html How are you doing these problems?

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0this is the first one like this on my hw

phi
 3 years ago
Best ResponseYou've already chosen the best response.1your book must talk about how to do this?

phi
 3 years ago
Best ResponseYou've already chosen the best response.1but to do a) select standard distribution (the first one shown) right tail type in 0.966 for z and have it calculate the area under the curve to the right of that z score. that is the chance the weight is above this z score

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0any way this can be done on a graphing calc rather than on this site?

phi
 3 years ago
Best ResponseYou've already chosen the best response.1if it knows about normal distributions (do they?) otherwise http://en.wikipedia.org/wiki/Normal_distribution#Numerical_approximations_for_the_normal_CDF is a (messy) way

REMAINDER
 3 years ago
Best ResponseYou've already chosen the best response.0using normal since ur z score is 0.966 round to 2 decimal u'll have 0.97 it means u'll have P(z>=0.97) because it is over 1050 u'll have 1P(Z<=0.97) on the z table 0.97 it hase the probability of 0.1660 now 1(0.1660) 0.834 wich by conclusion is 83.4%

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0yeah i get everything except the part where i get the 0.1660. i dont know how to get it without using the site Phi gave me above. ^^^

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0http://www.tutorhomework.com/statistics_tables/statistics_tables.html

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0yes i get that by doing the formula for z score and rounding

REMAINDER
 3 years ago
Best ResponseYou've already chosen the best response.0do u see the value that correspond to it ?

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0not really no. i dont get how that part works.

REMAINDER
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1348601547745:dw the deshes represents some numbers on the table ;right

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0yeah. i just dont know how i get this table to see the probability.

REMAINDER
 3 years ago
Best ResponseYou've already chosen the best response.0to find this 0.1660 take 0.9 ignore negative (meaning u gonna take 0.9)then add it to 0.07 wich will give positive 0.97 from there where 0.9 intersects 0.07 is ypur probability

mariomintchev
 3 years ago
Best ResponseYou've already chosen the best response.0yes i get that. i dont know how to get that table though.

Mahlatse1
 3 years ago
Best ResponseYou've already chosen the best response.0what do you mean you dont know how to get the table?

REMAINDER
 3 years ago
Best ResponseYou've already chosen the best response.0do u mean u don't have the table

REMAINDER
 3 years ago
Best ResponseYou've already chosen the best response.0check the attechement skbmt it has tables

REMAINDER
 3 years ago
Best ResponseYou've already chosen the best response.0@mariomintchev mahlatse posted them
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.