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rebelmaths
Given a random variable X normally distributed as N(m,σ2) find probabilities P(X>a),a>m;P(X<b),b<m.
Metadata
Julie's copy of Clodagh's copy of Calculate probabilities from a normal distribution
by 
Julie Crowley
-
England schools
-
England university
-
Scotland schools
Taxonomy: mathcentre
Taxonomy: Kind of activity
Taxonomy: Context
Contributors
History
Catherine Palmer 6 years, 5 months ago
Created this as a copy of Julie's copy of Clodagh's copy of Calculate probabilities from a normal distribution.There are 45 other versions that do you not have access to.
| Name | Type | Generated Value |
|---|
| units1 | string |
k Wh
|
||||
| upper | integer |
1165
|
||||
| lower | integer |
1050
|
||||
| p1 | number |
0.8599
|
||||
| m | integer |
1100
|
||||
| s | integer |
60
|
||||
| zupper | decimal |
dec("1.08")
|
||||
| p | number |
0.7967
|
||||
| amount | string |
electricity consumption
|
||||
| p2 | number |
0.2033
|
||||
| tol | number |
0.01
|
||||
| zlower | decimal |
dec("0.83")
|
||||
| stuff | string |
a frozen foods warehouse each
|
||||
| prob2 | number |
0.14
|
||||
| prob3 | number |
0.66
|
||||
| prob1 | number |
0.20
|
Generated value: string
- Statement
- "Unnamed part" - prompt
Gap-fill
Ask the student a question, and give any hints about how they should answer this part.
Find the probability that in a particular week the {amount} is less than {lower} {units1}:
Probability = ?
Find the probability that in a particular week the {amount} is greater than {upper} {units1}:
Probability = ?
Find the probability that in a particular week the {amount} is between {lower}{units1} and {upper} {units1}:
Probability = ?
Use this tab to check that this question works as expected.
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| Number entry | ||
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| Number entry | ||
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| Number entry | ||
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