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To test the hypothesis H0: ? = 100 vs. H1: ? > 100, a z-score of 2.8 is calculated. The value of 2.8 is
A) the test statistic value
B) the critical alpha value (or the significance level)
C) the p-value
D) the standard error value
in a family of 4 childrena list all the ways there can be 2 girls and 2 boys.b find the probability that there are 2
What can you tell me about the direction, strength and significance of this association and What would you expect for somebody without any formal education whatsoever and what can you tell me about the nature of this relationship?
Assume company uses (100, 5) sampling plan to find out whether batch of 100,000 chips is acceptable. a) Compute the probability of rejecting a batch which has 3% defectives?
suppose a manufacturing company makes a certain item. the time to produce each item is normally distributed around a
You're considering paying $5 to buy a ticket in a local lottery. You were told that 10,000 tickets will be sold. There are 5 prizes. The first prize is $5,000, the second is $1,000, the third is $500, the fourth is $100 and the last prize is $10.
The proportion of participants registering strong disapproval was 65%. At the 95% confidence interval and using a two-sided test, which of the following statements do these data support?
in the u. s. about 15 of the population is 65 years or older senior citizens. it is estimated that 90 of seniors get a
Obtain a test statistic and p -value assuming equal variances. Interpret these results.
Now consider the real numbers. In fact, lets narrow our focus way down to just the part of the real line between 0 and 1. Circle that part of the real line. How many real numbers are there in between 0 and 1? What can you conclude from all this?
A dice is thrown thrice. What is the probability that the largest score that turns up is three times the smallest?
let x denote the amount of time for which a book on 2-hour reserve at a college library is checked out by a student and
a researcher wishes to compare how students at two different schools perform on a math test. he randomly selects 40
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