Answer:
The test statistic is 
Step-by-step explanation:
From the question we are told that
The population mean is 
The The level of significance is 
The sample size is n = 18
The null hypothesis is 
The alternative hypothesis is 
The sample mean is 
The standard deviation is 
Generally the test statistics is mathematically represented as
substituting values
Answer:
5
Step-by-step explanation:
x values are equal, so 9-4 = 5
Using its concept, it is found that there is a 0.91= 91% probability of the next cougar caught being unmarked.
<h3>What is the probability?</h3>
Probability refers to a possibility that deals with the occurrence of random events. The probability of all the events occurring need to be 1.
In this problem, 865 - 173 = 792 cougar out of a total of 792 are unmarked, hence the probability is given by:
p = 792 /865 = 0.91.
More can be learned about probabilities at brainly.com/question/14398287
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