In a container of 60 coins, there are twice as many quarters as nickels and three times as many dimes as nickels. (a) Determine the number of each kind of coin in the container.
There are _
quarters,
_dimes, and
_nickels in the container.
(b) If one coin is shaken from the container, the probability that the coin is a quarter is _
The probability that the coin is not a nickel is _
(c) If three coins are shaken from the container, the probability that their total value is more than $0.75 is __

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Tan198=asin164=? how to solve this? ?

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.