It’s for a quiz :,) any help would be appreciated!
1 answer:
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Answer:
68
Step-by-step explanation:
We let the random variable X denote the height of students of the college. Therefore, X is normally distributed with a mean of 175 cm and a standard deviation of 5 centimeters.
We are required to determine the percent of students who are between 170 centimeters and 180 centimeters in height.
This can be expressed as;
P(170<X<180)
This can be evaluated in Stat-Crunch using the following steps;
In stat crunch, click Stat then Calculators and select Normal
In the pop-up window that appears click Between
Input the value of the mean as 175 and that of the standard deviation as 5
Then input the values 170 and 180
click compute
Stat-Crunch returns a probability of approximately 68%
Part A:
Given that <span>A presidential candidate plans to begin her campaign by visiting the capitals in 4 of 50 states.
The number of ways of selecting the route of 4 specific capitals is given by
Therefore, the probability that she selects the route of four specific capitals is
Part B:
</span>
<span>The number of ways of selecting the route of 4 specific capitals is 5,527,200.
Since </span><span>the number of ways of selecting the route of 4 specific capitals is too large it is not practical to list all of the different possible routes in order to select the one that is best.
Therefore, "</span><span>No, it is not practical to list all of the different possible routes because the number of possible permutations is very large."</span>
Given that <span>A presidential candidate plans to begin her campaign by visiting the capitals in 4 of 50 states.
The number of ways of selecting the route of 4 specific capitals is given by
Therefore, the probability that she selects the route of four specific capitals is
Part B:
</span>
<span>The number of ways of selecting the route of 4 specific capitals is 5,527,200.
Since </span><span>the number of ways of selecting the route of 4 specific capitals is too large it is not practical to list all of the different possible routes in order to select the one that is best.
Therefore, "</span><span>No, it is not practical to list all of the different possible routes because the number of possible permutations is very large."</span>