Matilda, Tanya and Renee are auditioning for a play. In how many ways can the girls fill the roles of a grandmother, mother, and
2 answers:
Answer: 1) In 6 ways the girls can fill the roles of a grandmother, mother, and daughter.
2) A permutation would be used to solve this problem
Step-by-step explanation:
Permutation is an arrangement of the elements of a list into a one to one correspondence with itself, where as a combination is a collection of things in which order doesn't matter at all.
In the given situation there are three girls named Matilda, Tanya and Renee are auditioning for a play. The girls have to fill the roles of a grandmother, mother, and daughter that means no girl can take two roles or no two girls can 1 role i.e. repetition is not allowed so by permutation ,
the number of ways the girls can fill the roles=,where n is the total roles and r is the number of girls.
Therefore, in 6 ways the girls can fill the roles of a grandmother, mother, and daughter.
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Using the Central Limit Theorem, the correct option is:
(c) Average number of miles put on a rental car per day across 25 customers.
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The Central Limit Theorem states that, for a normally distributed variable X, with mean and standard deviation
, the sample means of size m are approximated to a normal distribution with mean
and standard deviation
.
- The interpretation related to this problem is that the larger the sample size, the smaller the standard deviation.
- Thus, among the options, the largest sample is 25, thus, option c will have the smallest standard deviation.
A similar problem is given at brainly.com/question/23088374
