If the average (arithmetic mean) of four different positive integers is greater than 3 and less than 4, what is the range of the four numbers?
(1) One number is greater than 7
(2) The median of the four numbers is 2.5
A drawer contains 8 socks, and 2 socks are selected at random without replacement. What is the probability that both socks are black?
(1) The probability is less than 0.2 that the first sock is black.
(2) The probability is more than 0.8 that the first sock is white.
OA D
If the average (arithmetic mean) of four different positive integers is greater than 3 and less than 4, what is the range of the four numbers?
(1) One number is greater than 7
(2) The median of the four numbers is 2.5
OA E
[spoiler][/spoiler]
(1) One number is greater than 7
(2) The median of the four numbers is 2.5
A drawer contains 8 socks, and 2 socks are selected at random without replacement. What is the probability that both socks are black?
(1) The probability is less than 0.2 that the first sock is black.
(2) The probability is more than 0.8 that the first sock is white.
OA D
If the average (arithmetic mean) of four different positive integers is greater than 3 and less than 4, what is the range of the four numbers?
(1) One number is greater than 7
(2) The median of the four numbers is 2.5
OA E
[spoiler][/spoiler]
Regards,
Pranay
Pranay
