In a hospital, there are 250 registered nurses. 100 of the nurses are males. What is the ratio of male nurses to female nurses i
2 answers:
Answer:
The male to female nurse ratio in simplest form is: 2:5
Step-by-step explanation:
Fact: A hospital has a total of 250 registered nurses.
Total number of male nurses is 100
Total number of female nurses is 250 - 100 = 150 [Total nurses minus number of male nurses]
To determine the ratio of male to female nurses in simplest terms;
A ratio indicates the relative proportions of two or more quantities.
Thus,
=
or
= = 2:5
Consequently, the male to female nurses ratio in simplest form is; 2:5
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The given expression is 
Thus, in verbal form, we can express it as one eighth of a number.
Thus, in verbal form, we can express it as one eighth of a number.
Answer: The mean and variance of Y are $0.25 and $6.19 respectively.
Step-by-step explanation:
The scenario is as follows: You and a friend participate in a game involving tossing a fair coin.
The sample space for tossing two coins is {TT, HT, TH, HH}
Let Y represent the earnings from one round of the game.
If both faces are heads, you win $1; therefore, P(Y=1)=P(TT)=
You win $6 if both faces are heads, so P(Y=6)=P(HH)=
If the faces do not match, you lose $3 which means P(Y=1)=P(TH, HT)=
To find the expected value to win: E(Y)=
Thus, the mean of Y: E(Y)= $0.25
Variance =
Therefore, variance of Y = $ 6.19