Last month, when Joe took his puppy to the veterinarian, the puppy weighed 6.2 pounds. This month, the puppy weighed 8.68 pounds
2 answers:
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Answer:
Yes there is sufficient evidence to reject the company's evidence
Step-by-step explanation:
From the question we are told that
The sample size is n = 25
The mean is
The standard deviation is
The z-score is z = -1.94
The null hypothesis is
The alternative hypothesis is
Generally the p-value is mathematically evaluated as
From the z table the area under the normal curve to the left corresponding to -1.94 is
=>
=>
Let assume the level of significance is
Hence the this mean that
The decision rule is
Fail to reject the null hypothesis
The conclusion is
There is sufficient evidence to reject the company's evidence
Area of a triangle is half multiplied by the height multiplied by the base.So multiplying the two together and halfing is shown below
Answer:
area of the shaded figure