Question

7. In the US, 40% of the population)n have brown eyes. If 14 people are randomly...

7. In the US, 40% of the population)n have brown eyes. If 14 people are randomly selected then

a) find the average number and standard deviation of people with brown eyes

b) P(at least 12 of them will have brown eyes)

c) P(exactly 7 will have brown eyes)

d)P(less then 4 or more than 10 of them will have brown eyes)

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
40% of people in the US have brown eyes. Suppose you pick 14 people at random...
40% of people in the US have brown eyes. Suppose you pick 14 people at random in the US a. Find the probability that 12 or more of them have brown eyes. b. Find the probability that exactly 8 of them have brown eyes
In a? region, there is a 0.8 probability chance that a randomly selected person of the...
In a? region, there is a 0.8 probability chance that a randomly selected person of the population has brown eyes. Assume 12 people are randomly selected. Complete parts? (a) through? (d) below. a. Find the probability that all of the selected people have brown eyes. The probability that all of the 12 selected people have brown eyes is. ?(Round to three decimal places as? needed.) b. Find the probability that exactly 11 of the selected people have brown eyes. The...
In a​ region, there is a 0.9 probability chance that a randomly selected person of the...
In a​ region, there is a 0.9 probability chance that a randomly selected person of the population has brown eyes. Assume 15 people are randomly selected. Complete parts​ (a) through​ (d) below. a. Find the probability that all of the selected people have brown eyes. The probability that all of the 15 selected people have brown eyes is 0.205. ​(Round to three decimal places as​ needed.) b. Find the probability that exactly 14 of the selected people have brown eyes....
Q1. In a group of 40 children, 12 have blonde hair, 13 have brown eyes, and...
Q1. In a group of 40 children, 12 have blonde hair, 13 have brown eyes, and 6 have both blonde hair and brown eyes. If a child is selected at random, find the probability of the following. (Round your answers to three decimal places.) The child has blonde hair and brown eyes? A) Three numbers are drawn from {1, 2, 3, 4, 5, 6, 7} and placed in a row in the order drawn to form a three-digit number. What...
2.) When a car is randomly selected, the number of bumper stickers and the corresponding probabilities...
2.) When a car is randomly selected, the number of bumper stickers and the corresponding probabilities are: 0 (0.814); 1 (0.083); 2 (0.044); 3 (0.019); 4 (0.012); 5 (0.008); 6 (0.008); 7 (0.004); 8 (0.004); 9 (0.004); a.) Does the given information describe a probability distribution? Explain why b.) Assuming that a probability distribution is described, find its mean and standard deviation. c.) Use the range rule of thumb to identify the range values for unusual numbers of bumper stickers....
A. When a person is selected at random from a very large population, the probability that...
A. When a person is selected at random from a very large population, the probability that the selected person has brown eyes is 0.62. If 4 people are selected at random, find the following probabilities : 1. they all have brown eyes 2. none of them have brown eyes B. In a study of sandhill cranes, the distance traveled in one day is normally distributed, with a mean of 267 kilometers and a standard deviation of 86 km. Find the...
Consider a husband and wife with brown eyes who have 0.75 probability of having children with...
Consider a husband and wife with brown eyes who have 0.75 probability of having children with brown eyes, 0.125 probability of having children with blue eyes, and 0.125 probability of having children with green eyes. (a) What is the probability that their first child will have green eyes and the second will not? (b) What is the probability that exactly one of their two children will have green eyes? (c) If they have 7 children, what is the probability that...
A geneticist hypothesizes that half of a given population will have brown eyes and the remaining...
A geneticist hypothesizes that half of a given population will have brown eyes and the remaining half will split evenly between blue- and green-eyed people. use the following sample of sixty individuals to test the geneticist's claim at a 5% of significance. Brown eyes Green eyes Blue Eyes 34 15 11 A. Hypothesis: B. Degrees of freedom: C. Expected number: D. Test statistic: E. Approximate p-value. F. Decision: G. what is the appropriate distribution? your choices are : Chi-squared, normal...
Consider a husband and wife with brown eyes who have 0.75 probability of having children with...
Consider a husband and wife with brown eyes who have 0.75 probability of having children with brown eyes, 0.125 probability of having children with blue eyes, and 0.125 probability of having children with green eyes. (a) What is the probability that their first child will have green eyes and the second will not? (b) What is the probability that exactly one of their two children will have green eyes? (c) If they have 8 children, what is the probability that...
Focus groups of 14 people are randomly selected to discuss products of the Famous Company. It...
Focus groups of 14 people are randomly selected to discuss products of the Famous Company. It is determined that the mean number (per group) who recognize the Famous brand name is 8.3, and the standard deviation is 0.87. Would it be unusual to randomly select 14 people and find that greater than 12 recognize the Famous brand name?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT