Answer:
The probability is 0.4909
Step-by-step explanation:
The following equation for nCk give as the number of ways in which we can select k elements from a group of n elements:
Then, there are 220 ways in which we can select 3 candies from the 12 that are in the pack. It is calculated as:
On the other hand, there are 108 different ways to select the 3 candies in which they are all different flavors. It is calculated as:
4C3 * 3C1 * 3C1 * 3C1 = 108
Because, 4C3 give us the number of ways to select 3 flavors from the 4 flavors. From this 3 flavors selected, we are going to select one candie from each one, so we multiply 3 times by 3C1, one for each flavor.
Finally, the probability is the division between the number of ways in which we can select 3 candies with different flavors and the total number of ways in which we can select 3 candies from the 12 in the pack. This is:
66% of 740 km
Convert 66% into a decimal by moving the imaginary decimal point in the front two places to the left.
66% ⇒ 0.66
Now multiply 0.66 × 740.
0.66 × 740 = 488.4
66% of 740 km is 488.4 kilometers.
Answer:
On average, the project takes 4 weeks to complete.
Step-by-step explanation:
We have these following probabilities:
25% probability that the activity takes 2 weeks.
50% probability that the activity takes 4 weeks.
25% probability that the activity takes 6 weeks.
How long does the project now take to complete (on average)
We multiply each duration by it's probability.
0.25*2 + 0.5*4 + 0.25*6 = 4
On average, the project takes 4 weeks to complete.
Answer:
a. False
b. True
c. False
d. False
e.True
f. True
Step-by-step explanation:
The 95% is confidence interval its not a probability estimate. The probability will be different from the confidence interval. Confidence interval is about the population mean and is not calculated based on sample mean. Every confidence interval contains the sample mean. There is 95% confidence that the number of televisions per American household is between 1.15 to 4.20.
Answer: don’t know give me brainless
Theory: cause
