Two-thirds of the students in Harry’s math class and three-fifths of the students in Amani’s math class are boys. Which question
2 answers:
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Answer:
The claim is rejected
Step-by-step explanation:
Claim: UCF is advertising their bachelor in Economics with the statistic that the starting salary of a graduate with a bachelor in economics is $ 48,500 according to Payscale (2013-13).
Null hypothesis:
Alternate hypothesis :
n = 50
Since n is more than 30 .
So we will use Z test
x=43350
Standard deviation = 15000
Refer the z table
p value = 0.00776
p value <
So, We are failed to accept null hypothesis
Hence The claim is rejected
