What is the probability that a randomly chosen 10-year

Assignment Help Basic Statistics
Reference no: EM132857411

Heights of 10-year-olds, regardless of gender, closely follow a normal distribution with mean 55 inches and standard deviation 6 inches.

What is the probability that a randomly chosen 10-year-old is shorter than 48 inches?

a. 0.1210
b. 0.1588
c. 0.2457
d. 0.3715

What is the probability that a randomly chosen 10-year-old is between 60 and 65 inches?

0.1145
0.1558
0.1688
0.1758

If the tallest 10% of the class is considered "very tall", what is the height cutoff for "very tall"?

59.68 inches
63.58 inches
62.68 inches
65.88 inches

The height requirement for Batman the Ride at Six Flags Magic Mountain is 54 inches. What percent of 10-year-olds cannot go on this ride?

a. 0.3988
b. 0.4011
c. 0.4122
d. 0.4325

Suppose there are four 10-year-olds. What is the chance that at least two of them will be able to ride Batman the Ride?

a. 0.7099
b. 0.7258
c. 0.7814
d. 0.8856

Suppose you work at the park to help them better understand their customers' demographics, and you are counting people as they enter the park. What is the chance that the first 10-year-old you see who can ride Batman the Ride is the 3rd 10-year-old who enters the park?

a. 0.1062
b. 0.1477
c. 0.1698
d. 0.2247

What is the chance that the fifth 10-year-old you see who can ride Batman the Ride is the 12th 10-year-old who enters the park?

a. 0.0448
b. 0.0550
c. 0.0654
d. 0.7114

What fraction of 10-year-olds are taller than 76 inches?

a. 0.0002
b. 0.0008
c. 0.0013
d. 0.0055

If there are 2,000 10-year-olds entering Six Flags Magic Mountain in a single day, then compute the expected number of 10-year-olds who are at least 76 inches tall. (You may assume the heights of the 10-year-olds are independent.)

a. 0.004
b. 0.4
c. 40
d. 400

Reference no: EM132857411

Questions Cloud

How many new shares will Laybuy have : Laybuy Ltd is the target of a takeover bid. If the convertible bonds are converted into shares, how many new shares will Laybuy have
What level of education does the model forecast for the wife : Based upon the regression equation, what level of education does the model forecast for the wife when the husband has 14 years of education?
Develop a summary report for the below data set : Use appropriate charts and numerical measures to develop a summary report for the below data set. The data set represents the marks 8 students received in their
Role of knowledge management in decision making : Demonstrate your ability to undertake independent academic research and write a professional report on a seminal and/or contemporary issue in KM
What is the probability that a randomly chosen 10-year : What is the probability that a randomly chosen 10-year-old is shorter than 48 inches?
Identify factors that can cause change initiatives to fail : Organizational change is not always successful. Identify factors that can cause change initiatives to fail and the five pillars that can cause them to succeed.
What are some key performance indicators : What are some key performance indicators that are used by organizations? How can managers explain the importance of these KPIs, and should managers tie rewards
What could the leadership have done to make the transition : Describe how you were impacted by the change. What could the leadership have done to make the transition more successful?
Evaluate the main dispute resolution processes available : What types of issues should be agreed upon at the first level supervisor level and which ones do you think need to be elevated?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd