Question

56% of chchildren, are enrolled in school. If a sample of such 500 children is randomly...

56% of chchildren, are enrolled in school. If a sample of such 500 children is randomly selected, find the probability that at least 265 will be enrolled in school. Round the final answer to at least decimal places and round intermediate -value calculations to decimal places.

Homework Answers

Answer #1

This is a problem if binomial distribution with parameters n= 500, P=56% = 0.56

The probability that at least 265 will be enrolled in school

We can do it manually also

Thank you!

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
of all pre kindergarten children 56% are enrolled in pre school. if 500 random children are...
of all pre kindergarten children 56% are enrolled in pre school. if 500 random children are selected what is the probability that 250 are enrolled in pre school?
60% of all 3 to 5 year old children in the United States are enrolled in...
60% of all 3 to 5 year old children in the United States are enrolled in preschool. If a sample of 12 children is randomly selected, find the following probabilities. a. what is the probability at least 8 children are enrolled in preschool?
Suppose 44% of the children in a school are girls. If a sample of 545 children...
Suppose 44% of the children in a school are girls. If a sample of 545 children is selected, what is the probability that the sample proportion of girls will be less than 43% ? Round your answer to four decimal places.
According to the High School Athletics Participation Survey, 55% of students enrolled in high school participate...
According to the High School Athletics Participation Survey, 55% of students enrolled in high school participate in athletic programs. Suppose 12 high school students are randomly selected and the number who participate in athletic programs is recorded. Round probabilities to 4 decimal places. Explain why this is a binomial experiment. Find and interpret the probability that exactly 7 high school students participate in athletic programs. Find and interpret the probability that fewer than 7 high school students participate in athletic...
Beer bottles are filled so that they contain an average of 455 ml of beer in...
Beer bottles are filled so that they contain an average of 455 ml of beer in each bottle. Suppose that the amount of beer in a bottle is normally distributed with a standard deviation of 8 ml. [You may find it useful to reference the z table.] a. What is the probability that a randomly selected bottle will have less than 452 ml of beer? (Round intermediate calculations to at least 4 decimal places, “z” value to 2 decimal places,...
Beer bottles are filled so that they contain an average of 480 ml of beer in...
Beer bottles are filled so that they contain an average of 480 ml of beer in each bottle. Suppose that the amount of beer in a bottle is normally distributed with a standard deviation of 8 ml. [You may find it useful to reference the z table.] a. What is the probability that a randomly selected bottle will have less than 474 ml of beer? (Round intermediate calculations to at least 4 decimal places, “z” value to 2 decimal places,...
Twenty years​ ago, 56​% of parents of children in high school felt it was a serious...
Twenty years​ ago, 56​% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 295 of 750 parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years​ ago? Use the α=0.01 level of significance. Find the...
Suppose that x is a binomial random variable with n = 5, p = .56, and...
Suppose that x is a binomial random variable with n = 5, p = .56, and q = .44. (b) For each value of x, calculate p(x). (Round final answers to 4 decimal places.) p(0) =0.0164 p(1) =0.1049 p(2) =0.2671 p(3) =0.3399 p(4) =0.2163 p(5) =0.0550 (c) Find P(x = 3). (Round final answer to 4 decimal places.) P(x = 3) 0.3399selected answer correct (d) Find P(x ≤ 3). (Do not round intermediate calculations. Round final answer to 4 decimal...
The manager of The Cheesecake Factory in Boston reports that on six randomly selected weekdays, the...
The manager of The Cheesecake Factory in Boston reports that on six randomly selected weekdays, the number of customers served was 230, 235, 65, 185, 120, and 245. She believes that the number of customers served on weekdays follows a normal distribution. Construct the 99% confidence interval for the average number of customers served on weekdays. (You may find it useful to reference the t table. Round intermediate calculations to at least 4 decimal places, "sample mean" and "sample standard...
A hair salon in Cambridge, Massachusetts, reports that on seven randomly selected weekdays, the number of...
A hair salon in Cambridge, Massachusetts, reports that on seven randomly selected weekdays, the number of customers who visited the salon were 72, 55, 49, 35, 39, 23, and 77. It can be assumed that weekday customer visits follow a normal distribution. [You may find it useful to reference the t table.] a. Construct the 90% confidence interval for the average number of customers who visit the salon on weekdays. (Round intermediate calculations to at least 4 decimal places, "sample...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT