Turn on thread page Beta
    • Thread Starter
    Offline

    0
    ReputationRep:
    hello...
    [Check attachment for question] - Help me please!! :rolleyes:

    thanks.
    Attached Images
     
    Offline

    0
    ReputationRep:
    what board is this...I have absolutely no idea what a type 1 error is...
    • Thread Starter
    Offline

    0
    ReputationRep:
    (Original post by Swordsikan)
    what board is this...I have absolutely no idea what a type 1 error is...
    lol OCR.... Type I = Reject Null Hypothesis when it is correct..
    Offline

    1
    ReputationRep:
    The attachment is a real plee (sp?) for help!! honest! can anyone help!
    • Thread Starter
    Offline

    0
    ReputationRep:
    (Original post by Tazzie)
    The attachment is a real plee (sp?) for help!! honest! can anyone help!
    real plee?? (SP) ???? ---------> what do these two mean?
    • Thread Starter
    Offline

    0
    ReputationRep:
    well the answers are...

    6 (i) Rejection of null hypothesis when it is true;
    (ii) 0.117;
    (iii) Yes – required by the binomial distribution.

    Offline

    0
    ReputationRep:
    (Original post by Saiyan)
    well the answers are...

    6 (i) Rejection of null hypothesis when it is true;
    (ii) 0.117;
    (iii) Yes – required by the binomial distribution.

    I see, whens your S2 exam? and which exam board?
    I had mine OCR S2, some weeks ago (failed)
    • Thread Starter
    Offline

    0
    ReputationRep:
    (Original post by Vijay1)
    I see, whens your S2 exam? and which exam board?
    I had mine OCR S2, some weeks ago (failed)
    Exam is tomorrow ! - But i`m prepared I think... its just this question.. OCR btw.
    • Thread Starter
    Offline

    0
    ReputationRep:
    (Original post by Tazzie)
    hehe!
    its our beloved normal distribution!

    lol
    H0:π=25
    H1:π<25

    X-B(300,0.05)
    THEREFORE x--N(15,14.25)

    x<20...in continuous, x=19.5 (takeaway 0.5 remebr!!)

    p(z<19.5-15 /√14.25)

    p(z<1.192)

    in the tables p=0.117
    Tazzie's Solution
 
 
 
Turn on thread page Beta
Updated: June 21, 2005
The home of Results and Clearing

2,669

people online now

1,567,000

students helped last year

University open days

  1. London Metropolitan University
    Undergraduate Open Day Undergraduate
    Sat, 18 Aug '18
  2. Edge Hill University
    All Faculties Undergraduate
    Sat, 18 Aug '18
  3. Bournemouth University
    Clearing Open Day Undergraduate
    Sat, 18 Aug '18
Poll
A-level students - how do you feel about your results?
Useful resources

Make your revision easier

Maths

Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

Equations

How to use LaTex

Writing equations the easy way

Student revising

Study habits of A* students

Top tips from students who have already aced their exams

Study Planner

Create your own Study Planner

Never miss a deadline again

Polling station sign

Thinking about a maths degree?

Chat with other maths applicants

Can you help? Study help unanswered threads

Groups associated with this forum:

View associated groups

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.