A car manufacturer has a failure rate in their oil gasket of 2%. What is the probability that , of 1200 cars built, 50 will deve
2 answers:
You might be interested in
The consumer group's claim that the difference in proportions has a mean of 0.03 is incorrect
<h3>How to calculate the difference in proportion</h3>The table entries are given as:
Kernels Proportion that Popped
Brand R 100 0.92
Brand S 200 0.89
The proportions of the samples that will pop for both brands are given as:
Calculate the difference of both proportions
So, we have:
This means that:
The difference in proportions has a mean of 0.05
Hence, the claim of the consumer group is incorrect
Read more about sample proportions at: