The weekly income of night cashiers at a major department

Assignment Help Basic Statistics
Reference no: EM13610729

The weekly income of night cashiers at a major department store follows the normal probability distribution. The standard deviation is $45 with a mean of $550.

a) What is the probability of selecting a cashier whose income is between $500 and $600?

b) What is the probability of selecting a cashier whose income is more than $610?

Reference no: EM13610729

Questions Cloud

Current ratio return on common stockholders equity : mugs company comparative balance sheet december 31 2007 2007 2006 assets cash 25000 40000 marketable securities 20000
What is the heat loss rate for the properly-vented house : an energy-efficient house has been constructed so tightly that there is no air exchange with the outside. while this
The public library has a board of directors consisting of 6 : the public library has a board of directors consisting of 6 women and 4 men. a 3-member committee from the board is to
A thermodynamic system undergoes a process in which its : a thermodynamic system undergoes a process in which its internal energy decreases by 510 j. if at the same time 210 j
The weekly income of night cashiers at a major department : the weekly income of night cashiers at a major department store follows the normal probability distribution. the
Yut company paid a utility bill of 500 and paid rent of : yut company paid a utility bill of 500 and paid rent of 700 in december. by how much would these events reduce
The chicago omni hotel is a 750-room luxury hotel offering : the chicago omni hotel is a 750-room luxury hotel offering guests the finest facilities in downtown chicago. the hotel
Helium gas enters a nozzle at 5 ms the nozzle is not : helium gas enters a nozzle at 5 ms. the nozzle is not properly insulated and is releasing 2 kjkg of heat to the
When the ball lands it is at the same level as the tee on : on a distant planet golf is just as popular as it is on earth. a golfer tees off and drives the ball 4.5 times as far

Reviews

Write a Review

Basic Statistics Questions & Answers

  Compute standard deviation if sample size increased

Standard deviation of this poll is 4%. What would be standard deviation if sample size were increased from 83 to 190?

  Hypothesis testing-confidence interval-population means

For any hypothesis test, if the value of a parameter being tested falls outside the confidence interval for the same level of a, the correct decision is to reject the null hypothesis. Is this True or False?

  In a one factor anova

In a one factor ANOVA, there are 3 independent samples, with n1 = 10, n2 = 12 and n3 = 9. The calculated F-statistic is F = 3.31. At the 0.025 level of significance:Use the tables in the text to determine the critical value of the test.

  The mean number of shares traded on on the new york stock

the mean number of shares traded on on the new york stock exchange in june 2004 was 2.4 billion per day. assume that

  Find probability that fruit will weigh between a range

With a mean of 696 grams and a standard deviation of 37 grams. If you pick one fruit at random, what is the probability that it will weigh between 573 grams and 619 grams.

  Corn costs 010lb peanuts 005lb oats 015lb and the vitamin

question a feed company produces a livestock mix from four possible ingredients corn peanuts oats and a vitamin

  Application of descriptive statistics-inferential statistics

Provide an example from your work or home life; illustrate the difference between the application of descriptive statistics and inferential statistics.

  What is the probability that he actually has malaria

Suppose that Richard Rice, a resident of the area, decides to take the test for malaria. If his test results indicate that he has malaria, what is the probability that he actually has malaria?

  Index for the population of middle aged men

At the 0.05 level of significance, test whether the mean baseline body mass index for the population of middle aged men who develop diabetes is equal to 24.0 kg/m 2 , the mean for the population of men who do not. What is the p-value of the test?

  Complete the anova summary table

The sums of squares appear in the following ANOVA summary table.  The mean for each condition and the condition and the number of subjects precondition are also noted.

  Variance of the standard normal distribution

The sample proportion and the sample standard deviation are all unbiased estimators of the corresponding population parameters - variance of the standard normal distribution

  Machine and normal distribution with a mean

The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches?

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