Determining different possible codes

Assignment Help Basic Statistics
Reference no: EM1315572

Q1) You now bought new safe:  It has key pad with 26 letters on it. 

a) If code is 4 random letters, and no letter is used more than once,  how many different possible codes are there?

b) If code is 4 random letters, and letters can be utilized multiple times, how many different possible codes are there?

c) If no letter can be utilized more than once.  Does Order Matter?

d) If manufacturer made a decision to make more secure model that uses 5 letters (no repeats) how many codes are there then?

e) If letters can be utilized multiple times and there are 5 letters, and first letter should be "A or B"   how many different codes are available?

Reference no: EM1315572

Previous Q& A

  Estimate the galois group

Estimate the galois group.

  Find the price-quantity and price elasticity of demand

The Wozniak Corporation, a maker of aircraft engines, determines that in 2008 the demand curve for its product is as follows-What is the price elasticity of demand if price equals $500?

  Questions related to interest rate calculations

Questions related to interest rate calculations - What effective annual rate of interest does she need to earn on the account to meet her goal

  Estimaitng the cost of ordering and management

If company utilizing the best inventory policy, what would be the total cost of ordering and management?

  Computation of present value of tax shields of the bond

Computation of present value of tax shields of the bond and Also compute the PVTS for $10 million debt if Doubles Co. issues i) 8% coupon bonds and ii) zero coupon bonds.

  Linear programming model to maximize the profit

Formulate a linear programming model for this problem.

  Determining odds student gets questions correct

Determine odds student gets more than 14 questions correct? Determine the odds student gets exactly 12 questions correct?

  Find optimum level of production and maximize profit

Bavarian Crystal Works designs and produces lead crystal wine decanters for export to international markets-What is the optimal level of production of wine decanters?

  Compilation of performa balance sheet

Compilation of Performa Balance Sheet - Find the specific option available to the company for meeting its resource needs, if the bank declined the loan request and Please quantify and compile an appropriate proforma balance sheet for the situation.

  The number of intermediate fields

The number of intermediate fields which are normal extensions.


Write a Review


Similar Q& A

  Hypothesis test for variance of the population

We are interested in testing to see if the variance of a population is less than 7. The correct null hypothesis is:

  Explaining linear programming module-transportation module

Use either Linear Programming module or Transportation module of Cd to minimize the shipping costs involved in move.

  Identifying the type of correlation using scatter diagram

Based on the scatter diagram, does there appear to be any relationship between the number of assemblers and production? Explain.

  Computing probability-values

A committee of three is selected at random from a set consisting of five Democrats, eight Republicans, and two Independents.

  Normal model with a mean

A bank's loan officer rates applicants for credit. The ratings can be described by a Normal model with a mean of 200 and a standard deviation of 50.

  Hypothesis testing on multiple populations

To test whether there is a significant mean difference among the three.

  Factors cause variation in weight of rolls in manufacture

Describe the factors that might cause variation in weight of Tootsie Rolls during manufacture.

  Association between two variables

To test whether there is any association between two variables using Chi-Square test for independence.

  Distinct curved pattern in the plot

A researcher measures a response variable Y and explanatory variable X on each of several objects. A scatterplot of the measurements is as follows.

  Highest score earned on exam using chebyshev-s theorem

What was the highest score earned on the exam? According to Chebyshev's Theorem, how many students scored between 42 and 74?

  Compute the variance and standard deviation

Compute the variance and standard deviation

  Two-way anova without replication

The following table shows the number of miles driven in each trial.

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