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Is nearly all the area under the normal curve between z-3.00 and z3.00?
yes, since according to the 68-95-99.7 rule, the area within 3 standard deviations is 99.7%
What is the percentage of a IQ between 70-130?
That will be close to 90 percent of the population. Only about four percent would be above and below that area.
What is the probability that his or her age will be between 36 and 37.5 in a random selected and normally distributed variable if the mean age is 36.2 and the standard deviation is 3.7?
You want the area under the normal curve between z1 = (36-36.2)/3.7 and z2 = (37.5-36.2)/3.7 Using half tail tables (which give the probability (area under the normal curve) between the mean and z - the number of standard deviations from the mean of the value, negative just means it's to the left of the mean): z1 = (36 - 36.2) / 3.7 ≈ -0.0541 z2 = (37.5 - 36.2) / 3.7 ≈0.3514 → area between -0.0541 and 0.3515 standard deviations from the mean = 0.0199 + 0.1368 = 0.1567 = 15.67 %
Find the z-score for which 8 percent of the distribution's area lies between -z and z?
To find the z-score where 8% of the distribution's area lies between -z and z, we first recognize that this means 4% (or 0.04) lies in each tail of the normal distribution. Therefore, we need to find the z-score that corresponds to the cumulative area of 0.04 in the left tail. Using standard normal distribution tables or a calculator, we find that the z-score for 0.04 is approximately -1.75. Thus, the positive z-score is approximately 1.75, meaning z ≈ 1.75.
How do you find thickness of slab given the area?
You cannot. In general there is no relationship between the area of a slab and its thickness.
Find the z-score for which 92 percent of the distribution's area lies between -z and z?
z = 1.75
What percent of the area of the normal curve is above and below 1.96 standard deviations ie. above 1.96 and below 1.96?
Above 1.96: 0.024998 = 2.5% below 1.96: 0.975002 = 97.5%
Is nearly all the area under the normal curve between z-3.00 and z3.00?
yes, since according to the 68-95-99.7 rule, the area within 3 standard deviations is 99.7%
What is the proportion of the total area under the normal curve within plus or minus 2 statndard deviations?
It is 0.9955 of the total area.
What is the percentage of a IQ between 70-130?
That will be close to 90 percent of the population. Only about four percent would be above and below that area.
What is the proportion of the total area under the normal curve within plus or minus 2 standard deviations?
95%
What is the probability that his or her age will be between 36 and 37.5 in a random selected and normally distributed variable if the mean age is 36.2 and the standard deviation is 3.7?
You want the area under the normal curve between z1 = (36-36.2)/3.7 and z2 = (37.5-36.2)/3.7 Using half tail tables (which give the probability (area under the normal curve) between the mean and z - the number of standard deviations from the mean of the value, negative just means it's to the left of the mean): z1 = (36 - 36.2) / 3.7 ≈ -0.0541 z2 = (37.5 - 36.2) / 3.7 ≈0.3514 → area between -0.0541 and 0.3515 standard deviations from the mean = 0.0199 + 0.1368 = 0.1567 = 15.67 %
How do you mathematically find probability?
find the objects area first. Then put the objects' area into a fraction by smaller in numerator and larger in denominator then divide and put decimal into fraction or percent
Ratio between asia and india according area?
India is about seven percent of the size of all of Asia.
What is the proportion of the total area under the normal curve within plus and minus two standard deviations of the mean?
95
Where can you find a Dubius Disc?
yoy surf over a lake between battle area and survival area
How do you find thickness of slab given the area?
You cannot. In general there is no relationship between the area of a slab and its thickness.
