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Simon's copy of Clodagh's copy of Calculate probabilities from a normal distribution
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
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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
Contributors
History
Simon Thomas 5 years, 11 months ago
Created this as a 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 |
1190
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||||
lower | integer |
900
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||||
p1 | number |
0.9192
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||||
m | integer |
1050
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||||
s | integer |
100
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||||
zupper | decimal |
dec("1.40")
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||||
p | number |
0.9332
|
||||
amount | string |
electricity consumption
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p2 | number |
0.0668
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||||
tol | number |
0.01
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||||
zlower | decimal |
dec("1.50")
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stuff | string |
a frozen foods warehouse each
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||||
prob2 | number |
0.08
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||||
prob3 | number |
0.85
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||||
prob1 | number |
0.07
|
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.
(i)
Find the probability that in a particular week the {amount} is less than {lower} {units1}:
Probability = ?
(ii)
Find the probability that in a particular week the {amount} is greater than {upper} {units1}:
Probability = ?
(iii)
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.
Part | Test | Passed? |
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Gap-fill | ||
Hasn't run yet | ||
Number entry | ||
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Number entry | ||
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Number entry | ||
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This question is used in the following exam: