Answer:
B is the correct answer.
Step-by-step explanation:
Answer:
option b
6 C 2 + 6
Step-by-step explanation:
Given in the question that,
number of pink beans = 87
number of purple beans = 74
number of white beans = 35
number of black beans = 70
number of orange beans = 25
number of green beans = 47
<h3>Step 1</h3>
if two beans selected are different
6 C 2
(6 colours of beans)
<h3>Step 2</h3>
if two beans selected are same
6 C 1 = 6
(6 colours of beans)
<h3>Step 3 </h3>
total sample space will be
6 C 2 + 6
Answer:
베댜ㅗ유루ㅠㅇㄹ어융ㅓ엋 어나어ㅑ양개대재자저오렇로ㅓ로로로랻
Answer:
You must survey 784 air passengers.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of 
, and a confidence level of 
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of 
.
The margin of error is:
95% confidence level
So 
, z is the value of Z that has a pvalue of 
, so 
.
Assume that nothing is known about the percentage of passengers who prefer aisle seats.
This means that 
, which is when the largest sample size will be needed.
Within 3.5 percentage points of the true population percentage.
We have to find n for which M = 0.035. So
You must survey 784 air passengers.
