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Sketch the areas under the standard normal curve over the indicated intervals, and find the specified areas.
1.To the right of z = 0.72
2.To the right of z = -2.17
3. Between z = -1.40 and z = 2.03
4. P (z ≤ 3.20)
5. P (-1.78 ≤ z ≤ -1.23)
6. P (-2.37 ≤ z 0)
In what height interval must the company expect to determine middle 70% of kindergarteners?
The summation sign is usually represented by:
Compute cumulative probabilities for these numbers in second column. Then create a histogram illustrating data distribution. Using generated Normal probability table, determine probability of Pr(X
Mention your decision regarding the null hypothesis. If H 0 rejected can we conclude that treatment 2 and treatment 3 differ? Use 95 percent level of confidence.
Either summarize your design or give an appropriate layout with table.
From Group of 40 People, a jury of 12 people is selected. In how many various ways can a jury of 12 people be selected?
Assume if the students toss the coin 200 times each about 68% should have proportions among what two numbers.
A busy landscaping supplies company sells wood chips for garden mulch. The mulch is sold by the cubic metre and delivered to households in a small truck.
Distinct random variable
What kind of probability uses sample spaces to find out numerical probability that event will happen?
Assuming that students make their decisions independently, the number who accept has the B (1200, 0.75) distribution. If this number is less than 950, the college will admit students from its waiting list.
If 25 men aged 18-24 are arbitrarily chosen, determine probability that their mean serum cholesterol level is between 165 and 200.
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