Answer:
The number of ways the committee be chosen is 295 ways.
Step-by-step explanation:
There are 6 men and 8 women.
A committee of 4, in which there must be at least 1 woman.
Let W- woman. M - man
So the combinations are: 1W, 3M or 2W, 2M or 3W, 1M or 4W
Now we have to use the combination formula and find the answer.
nCr = 
Using the above formula, we can find the answer.
4C1 × 7C3 + 4C2×7C2 + 4C3×7C1 + 4C4
= 
Simplifying the above factorials, we get
=4×35 + 6×21 + 4×7 + 1
= 140+126+28+1
= 295
The number of ways the committee be chosen is 295 ways.
Answer:
$48.13
Step-by-step explanation:
before $44.98
sale tax 7.00% or 3.15
after-tax price $48.13
Y= 1x + 2
You can use this formula: y= mx+b in order to solve future problems like these. Y Intercept is b, and m is your slope. You don’t need to do anything to x yet.
Answer:
<em>sorry i don't know the answer:(</em>
Answer:
We need a sample size of least 119
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
.
Sample size needed
At least n, in which n is found when 
We don't know the proportion, so we use
, which is when we would need the largest sample size.






Rounding up
We need a sample size of least 119