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Given a random variable X normally distributed as N(m,σ2) find probabilities P(X>a),a>m;P(X<b),b<m.
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England schools
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England university
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Scotland schools
Taxonomy: mathcentre
Taxonomy: Kind of activity
Taxonomy: Context
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Catherine Palmer 6 years, 5 months ago
Created this as a copy of Practise using the t-Distribution Tables.There are 25 other versions that do you not have access to.
| Name | Type | Generated Value |
|---|
| df1 | integer |
17
|
||||
| df2 | integer |
9
|
||||
| df3 | integer |
13
|
||||
| df4 | integer |
16
|
||||
| n1 | integer |
9
|
||||
| n2 | integer |
12
|
||||
| n3 | integer |
6
|
||||
| n4 | integer |
13
|
||||
| t1 | number |
2.110
|
||||
| t2 | number |
2.262
|
||||
| t3 | number |
3.012
|
||||
| t4 | number |
2.921
|
||||
| t5 | number |
2.306
|
||||
| t6 | number |
2.718
|
||||
| t7 | number |
2.571
|
||||
| t8 | number |
3.055
|
Generated value: integer
17
→ Used by:
- t1
Gap-fill
Ask the student a question, and give any hints about how they should answer this part.
What are the values of tlow and thigh which between them contain the central 99% of values in the t- distribution, with
(i) $\var{df3}$ degrees of freedom
tlow =
thigh =
(ii) $\var{df4}$ degrees of freedom
tlow =
thigh =
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This question is used in the following exam: