Mathematics, 11.12.2019 04:31, MickeyAppleX
The dean of a business school claims that the average starting salary of its graduates is more than 85 (in $000’s). it is known that the population standard deviation is 10 (in $000’s). sample data on the starting salaries of 64 randomly selected recent graduates yielded a mean of 88 (in $000s).
a) what is the null hypothesis
b) what is the critical value for the rejection region if the level of significance is 5%?
c) what is the value of your test statistic
d) what is your decision
Answers: 2
Mathematics, 21.06.2019 17:30, fonsworth5
Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries. what fraction of kathy’s money was left?
Answers: 2
Mathematics, 21.06.2019 18:00, UsedForSchool2018
Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10
Answers: 1
Mathematics, 21.06.2019 20:30, avahrider1
The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle
Answers: 1
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