Weakly earnings on a certain import venture are

Assignment Help Basic Statistics
Reference no: EM13640589

Weakly earnings on a certain import venture are approximately normally distributed with a known mean of 219 and unknown standard deviation. If the proportion of earnings over 291 is 0.155, find the standard deviation.

Reference no: EM13640589

Questions Cloud

Bill steps off a 34 m high diving board and drops to the : bill steps off a 3.4 m high diving board and drops to the water below. at the same time ted jumps upward with a speed
A game consists of flipping a coin repeatedly until two : a game consists of flipping a coin repeatedly until two heads or two tails are obtained. assume that flips are
The oil properties are density p 900 kgm3 cp 2000 jkg k : for incompressible liquids flow work could usually be neglected in the steady-flow energy equation. in the trans-alaska
What is the temperature at the junction between the two : a steel bar 10cm long is welded end to end with a copper bar 20cm long. each bar has the same cross sectional area on
Weakly earnings on a certain import venture are : weakly earnings on a certain import venture are approximately normally distributed with a known mean of 219 and unknown
The annual assets for first michigan corporation is : the annual assets for first michigan corporation is aproximately normally distributed with standard deviation 50. the
A point charge of 5 microc is located at x -30 cm and a : a point charge of 5 microc is located at x -3.0 cm and a second point charge of -9 microc is located at x 4.0 cm.
The mean gas mileage for a hybrid car is 56 miles per : the mean gas mileage for a hybrid car is 56 miles per gallon. suppose that the gasoline mileage is approximately
Find two values of the normal random variable with mean 73 : find two values of the normal random variable with mean 73 and standard deviation 8 lying symmetrically on either side

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the value of sp for the following set of data

what is the value of sp for the following set of data? explain answer and show work please.x y1 53 38

  Detailed explanation to frequency distribution

For the set of data below construct a grouped frequency distribution that as well contains the real limits of each interval, midpoint of each interval, the cumulative frequency,

  Evidence to conclude that proportions vary from study

At alpha = 0.05, is there enough evidence to conclude that proportions vary from those in the study?

  Determining p value for f test

The calculated value of F in a one-way analysis is 8.23. The numerator degrees of freedom and denominator degrees of freedom are 4 and 8, respectively.

  The length of conversations between supervisors and workers

the length of conversations between supervisors and workers in a certain manufacturing industry is normally distributed

  Determining the probability that fish will be killed

Determine the probability that at most 4 fish will be killed?

  Margin of error when confidence interval is changed

When a 99% confidence interval is calculated instead of a 90% confidence interval with n being the same, the margin of error will be

  Determining pivotal quantity and its distribution

Consider a random sample of size n from an exponential distribution, Xi ~ EXP(1,eta). a) Show that Q = X1:n - eta is a pivotal quantity and find its distribution.

  The difference between the two population means

Construct the 95 percent confidence interval for the difference between the two population means.

  Find the sample size to estimate the mean

A random variable is binomially distributed with n = 16 and π = .40. The expected value and standard deviation - find the sample size to estimate the mean with an error of ± 4 and 95 percent confidence (rounded to the next higher integer).

  Suppose a life insurance company insures the lives of 1000

suppose a life insurance company insures the lives of 1000 men aged 30. if actuarial studies show that the probability

  Obtain a regression line for the data and predict profit

Sales figures and profits for the stores are given in the following table. Obtain a regression line for the data and predict profit for a store assuming sales of $10 million.

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