User Account

All Pages

Mean time between eruptions

Assignment Help Basic Statistics
Reference no: EM131082729

Supposea geyser has a mean time between eruptions of 68 minutes. Let the interval oftime between the eruptions be normally distributed with standard deviation 26minutes. (round everything to four decimal places)

a) What is the probability that a randomly selected time interval betweeneruptions is longer than 80 minutes? (round everything to four decimal places)

b) What is the probability that a random sample of 10 time intervals between eruptionshas a mean longer than 80 minutes? (round everything to four decimal places)

c) What is the probability that a random sample of 21 time intervals between eruptionshas a mean longer than 80 minutes? (round everything to four decimal places)

Reference no: EM131082729

Questions Cloud

When valuing firm from entity versus equity perspective : What are the main differences when valuing a firm from an entity versus an equity perspective? List any 2 disadvantages of using the dividends discounted approach when valuing a firm.
Describe how people can identify federal tax brackets : Explain which account would earn more money for the investor: a traditional IRA or a Roth IRA. Support your statements with reasons and examples - Describe how people can identify their federal tax brackets.
Pearson correlation coefficient formula : When I repeat the regression but do a regression through the origin (i.e. no intercept), the correlation coefficient between x and u becomes -0.24117, and I am not sure why. I have to use the Pearson correlation coefficient formula to explain this..
Calculate the mean and standard deviation : In a third group of patients (cohort 3), actively dividing cells were generated by performing a second rapid expansion via active cell transfer. Cell doubling times for cohort 3 were {0.9, 3.3, 1.2, 1.1} days. Calculate the mean and standard devia..
Mean time between eruptions : Suppose a geyser has a mean time between eruptions of 68 minutes. Let the interval oftime between the eruptions be normally distributed with standard deviation 26minutes. (round everything to four decimal places)
Systolic blood pressure : Suppose systolic blood pressure, birth weight (oz), and age (days) are measured for 16 infants and the data are shown in the following table
Compute the correlation coefficient : Fit a straight line to each of the data sets giving least squares estimates, ANOVA table, and R squared. Compute the correlation coefficient between y and x for each data set. Comment on your results. Would a linear regression of y on x be appropr..
What was new concern that arose as women came to dominate : What was the new concern that arose as women came to dominate teaching, and the gender tables turned in the twentieth century?
Correlation coefficient pearson correlation : Which correlation coefficient Pearson's correlation or spearman rank correlation is the best describe the relationship between the two variables?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Sample distribution for discrete random variables

A discrete random variable Y takes the value -1, 0 and 1 with probabilities 1/2θ, 1- θ and 1/2θ respectively. Let Y1 and Y2 be two independent random variables, each with the same distribution as Y.

  Estimations-confidence intervals-sample size

Why are estimations and confidence intervals important? Do confidence intervals and estimation play a role in the selection of sample size?

  Construct a line chart for the number of prior dui driving

construct a line chart for the number of prior dui driving under the influence arrests received by a sample of jail

  Review the three non-parametric test videos in the

review the three non-parametric test videos in the calculations section of the statistics visual learner media

  Hw5 logistic regression1 nbspmarentette and el-masri 2011

hw5 logistic regression1. nbspmarentette and el-masri 2011 used logistic regression to identify predictors of obtaining

  Assume time to breakdown of a randomly chosen generator y

the length of time until the breakdown of an essential piece of equipment is important in the decision of the use of

  Using the methods of joints determine the force in each

using the methods of joints determine the force in each member of the truss shown. state whether each member is in

  What should be expected return of stock x

A portfolio p of consisting 60% of stock X and 40% of stock Y, has a correlation ρpM = 0.62 with the market. What is the portfolio volatility? Statement on the diversification effect.

  Suppose referendum to increase funding for education is on

suppose referendum to increase funding for education is on the ballot in a large town population over 100000. an exit

  State the rejection region for the test statistic

A machine is designed to produce gaskets with a mean inside diameter of 0.375 Inch. State the rejection region for the test statistic. Use an α = 0.01 level of significance. Suppose that a random sample of n = 20 gaskets had a mean of 0.373 inches. C..

  Denote by p(m) the probability that montreal wins the cup

Denote by P(M) the probability that Montreal wins the Cup. This is also the conditional probability that they win the Cup, given that the first round was inconclusive. Use this insight to set up and solve an equation for P(M).

  Find the probability adults sampled prefer coffee

If you take a random sample of 100 adults, what's the probability that less than 50% of the adults sampled prefer coffee? Write answer in decimals using 4 digits precision.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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