Answer:
ok The answer is
Step-by-step explanation:
No of queen: 4
No of total card: 52
Now,
Probability that the card is not a queen : No of queen/ No of total card
4/52 = 1/13
so, the probability that the card is not queen is 1/13
I'm doing the same test... though my inputs are (-6,0) and (3, -4)
the correct answer is c 78
Step-by-step explanation:
lit can't be a because to small and can't be b because also to small. and and 92 is uptus and this is an acute angle
Answer:
So we use the t-distribution to compute a confidence interval for the average age of people using online dating services
Step-by-step explanation:
Confidence interval for a mean.
We have to decide between the t-distribution and the z-distribution.
T-distribution: We use the sample standard deviation.
Z-distribution: We use the population standard deviation.
In this problem:
The average age of those that were using online dating services was 35 years old with a sample standard deviation of 12 years.
So we use the t-distribution to compute a confidence interval for the average age of people using online dating services