Mathematics
Mathematics, 23.04.2021 05:30, kovicicic

A coin is weighted so that the probability of getting heads is suppose you toss this coin 15 times. Let X represent the number of heads. What are the mean and standard deviation of X?
OW, = 0.67, 0, = 0.88
O x = 7.5.0. = 2.33
O wx = 7.5, 0,=3.33
O wx = 10, 0, = 1.83
Mark this and return
Save and Exit
Next
Submit

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:00, kezin
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
image
Mathematics, 21.06.2019 19:30, LordYoshee8676
Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.
Answers: 2
image
Mathematics, 22.06.2019 01:00, nicolew647
Which of the following is equal to the rational expression when x is not equal to -2 or -6?
Answers: 2
image
Mathematics, 22.06.2019 03:00, Michcardwell8570
With this question, the answer with the red arrow is incorrect!
Answers: 1
Do you know the correct answer?
A coin is weighted so that the probability of getting heads is suppose you toss this coin 15 times....

Questions in other subjects:

Konu
Chemistry, 21.04.2020 04:55
Konu
Mathematics, 21.04.2020 04:55
Konu
Mathematics, 21.04.2020 04:55