Mathematics, 13.02.2021 08:00, rydro6915
19. The mean age (at inauguration) of all U. S. Presidents is approximately Normally
distributed with a mean of 54.6. Barack Obama was 47 when he was
inaugurated, and his z-score was -1.21. What is the standard deviation of
presidents' ages?
(a) -9.20
(b) -6.28
(c) 6.28
(d) 7.60
(e) 9.20
What is the standard deviation of the presidents age?
Answers: 2
Mathematics, 22.06.2019 04:10, kelseybieberrr19
Find the radius of a circle that has a circumference of 16. the formula for the circumference of a circle is c = 2tr, where r is the radius and c is the circumference. the equation solved for r is r = c over 2π. r=4 r= 8 r=12 r= 16
Answers: 1
19. The mean age (at inauguration) of all U. S. Presidents is approximately Normally
distributed wi...
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