last year she had 12 records in her collection. now she has 15. what is the percent increase of her collection
1 answer:
You might be interested in
Answer:
There is no sufficient evidence to support the executive claim
Step-by-step explanation:
From the question we are told that
The population proportion is
The sample proportion is
The sample size is
The level of significance is
The null hypothesis is
The alternative hypothesis is
Generally the test statistics is mathematically evaluated as
=>
=>
The p-value is mathematically represented as
Form the z-table
=>
=>
Given that we fail to reject the null hypothesis
Hence we can conclude that there is no sufficient evidence to support the executive claim