تم الحل ✓
categoryإحصاء
schoolبكالوريوس
event_available2026-07-14
السؤال
Transcribed Image Text:
Let x be a continuous random variable with a standard normal distribution.
a) Using the accompanying standard normal distribution table, find P(-2.38 ≤x≤2.38).
b) What percentage of the area is from -2.38 to 2.38?
Click the icon to view the standard normal distribution table.
a) P(-2.38≤x≤2.38)= |
(Round to four decimal places as needed.)
b) The percentage of the area from -2.38 to 2.38 is %.
(Round to two decimal places as needed.)
Let x be a continuous random variable that is normally distributed with mean μ-23 and standard deviation σ = 2. Using the accompanying standard normal distribution
table, find P(25≤x≤26).
Click the icon to view the standard normal distribution table.
The probability is
(Round to four decimal places as needed.)
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