subject
Mathematics, 16.11.2019 03:31 hhh4775

Assume that 13% of people are left-handed. if we select 10 people at random, answer the following questions:

a. what is the probability that there are exactly 3 lefties in the group? . (use 3 decimal places.)

b. what is the probability that there are at least 3 lefties in the group? . (use 3 decimal places.)

c. find the expected number of right-handers in the group.

d. find the standard deviation of the number of right-handers in the group. (use 3 decimal places.)

e. what is the probability that they are not all right-handed? . (use 3 decimal places.)

f. what is the probability that there are exactly 5 righties and 5 lefties? . (use 4 decimal places.)

g. what is the probability that the majority is right-handed?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x
Answers: 1
question
Mathematics, 21.06.2019 17:30
17 in long 1.3 ft wide and 8in high what is the volume
Answers: 1
question
Mathematics, 21.06.2019 21:00
Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5
Answers: 2
question
Mathematics, 21.06.2019 22:30
Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%
Answers: 1
You know the right answer?
Assume that 13% of people are left-handed. if we select 10 people at random, answer the following qu...
Questions
question
Geography, 25.01.2021 16:10
Questions on the website: 13722367