Question
Scores for a typical normalized school fitness test are ordinarily dispersed with a mean of 498 and a standard deviation of 104. Arbitrarily chose men
Scores for a typical normalized school fitness test are ordinarily dispersed with a mean of 498 and a standard deviation of 104. Arbitrarily chose men are given a Test Prepartion Course prior to stepping through this exam. Accept, for purpose of contention, that the test has no impact.
1) If 1 of the men is haphazardly chosen, discover the likelihood that his score is in any event 526.3.
Enter your answer as a number precise to 4 decimal spots.
2) If 39 of the men are haphazardly chosen, discover the likelihood that their mean score is at any rate 526.3.
i5i
Enter your answer as a number precise to 4 decimal spots.
The accompanying data is marginally unique for every understudy except near the genuine information.
Expect the quantity of years in jail prior to being excused is regularly dispersed for both white and dark guys.
The normal measure of time Black guys are in jail prior to being absolved is 13.7 years with a populace standard deviation of 9.8 years. The normal measure of time White male are in jail prior to being absolved is 9.2 years with a populace standard deviation of 8.6. Offer all responses to at any rate 2 decimal spots.
a) If a Black male is at the 70th percentile for quite a long time in jail prior to being excused, make the time the individual has been in jail.
a long time
The accompanying data is somewhat extraordinary for every understudy except exceptionally near the genuine information.
Accept the quantity of years in jail prior to being excused is ordinarily conveyed for both white and dark guys.
The normal measure of time Black guys are in jail prior to being absolved is 13.7 years with a populace standard deviation of 9.8 years. The normal measure of time White male are in jail prior to being absolved is 9.2 years with a populace standard deviation of 8.6. Offer all responses to at any rate 2 decimal spots.
On the off chance that a White male is at the 70th percentile for quite a long time in jail prior to being absolved, make the time the individual has been in jail.
a long time
The lengths of pregnancies in a little country town are typically disseminated with a mean of 262 days and a standard deviation of 15 days.
In what reach would you hope to track down the center 98% of most pregnancies?
Between and clear
If you somehow happened to draw tests of size 54 from this populace, in what reach would you hope to track down the center 98% of most midpoints for the lengths of pregnancies in the example?
Between and clear
Enter your answers as numbers. Your answers ought to be precise to 1 decimal spots.
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