Answer:
d) 140
How can you check that k ≥ 11 is the solution set to the inequality k + 14 ≥ 25?
1 answer:
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Answer:
Step-by-step explanation:
Leaving leap years, a year contains 365 days.
For a group of 100 people, each person is independent of the other and probability of any day being his birthday has a chance of
a) Probability that exactly 3 people have same birthday =
Each day is independent of the other
And hence no of days having exactly 3 persons birthday out of 100 persons is binomial with n = 365 and p =
Expected value of days = np =
b) Distinct birthdays is binomail with p =1/365 and n = 365
Hence
expected value = np =1
Given:
The figure shows the letter Z and four of its transformed images—A, B, C, and D.
To find:
Which of the following rules will transform the pre-image of Z in quadrant 2 into its image in quadrant 1?
Solution:
From the figure it is clear that the pre-image of Z in quadrant 2 and its image in quadrant 1 (image A) are the mirror image of each other along the y-axis.
It means the pre-image of Z in quadrant 2 reflected across the y-axis to get the image in quadrant 1.
If a figure reflected across the y-axis, then rule of transformation is
So, the rule transform the pre-image of Z in quadrant 2 into its image in quadrant 1.
Therefore, the correct option is c.