Alternative hypothesis for a null hypothesis

Reference no: EM13108871

What is the alternative hypothesis for a null hypothesis stating that the average time a person keeps a cell phone is, at most, three years?

State the null and alternative hypotheses for the following: You are investigating a complaint that "special delivery mail takes too much time" to be delivered.

Reference no: EM13108871

Questions Cloud

How would you compare/contrast a hypothesis : How would you compare/contrast a hypothesis and theory as pertaining to science? What examples can you provide to support your answer?

Compute mole fraction of caffeine : Compute mole fraction of caffeine(C 8 H 10 N 4 O 2 ), the molarity of the solution

Explaining whether the renovation should occur : clearly labels the pre and post renovation analysis using an Excel work sheet. Do a comparative analysis in a Word document not to exceed 200 words explaining whether the renovation should occur.

Estimate the break even point : A manager must decide how many machines of a certain type to purchase. Each machine can process 100 customers per day. One machine will result in a fixed cost of $2000 per day.

Alternative hypothesis for a null hypothesis : What is the alternative hypothesis for a null hypothesis stating that the average time a person keeps a cell phone is, at most, three years?

How many grams of mgso4 would you need : If you wanted to make a 0.5M solution of MgSO4, how many grams of MgSO4 would you need? Assume the volume of the solution is one liter. Show your work.

Find out a confidence interval for the true mean lifetime : Find out a 90% confidence interval for the true mean lifetime of all light bulbs of this brand. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.

Determine the molar mass of the nonelectrolyte : Determine the molar mass of the nonelectrolyte if the osmotic pressure of the solution = 23.6 atm, also express your answerin g/mol?

Hypothesis testing using samples : A study by Hewitt Associates showed that 79% of companies offer employees flexible scheduling. Suppose a researcher believes that in accounting firms this figure is lower.

User Account

All Pages