What is the probability of x bar less than a value

Assignment Help Basic Statistics

Reference no: EM13142029

let x be a random variable that represents white blood cell count per cubic milliliter of whole blood. assume that x has a distribution that is approximately normal with the mean mu = 7500 and the standard deviation equals 1750. A test result of x is less than 3500 is an indication of leukopenia. what is the probability that on a single test x is less than 3500?
B. suppose a doctor uses the average x bar for two tests taken about a week apart. what is the probability of x bar less than 3500? C. Repeat part B for n = 3 tests taken a week apart.

Reference no: EM13142029

Questions Cloud

Current student affairs responsibilities : In what ways are current student affairs responsibilities similar to those in the early years of American higher education? In what ways are they different? Please explain.

Colinwas : Colinwas not present at the meeting when these decisions were made, as he was inhospital recovering from a serious accident.

What impact will the loss of land plants have on the soil : What impact will the loss of land plants have on the soil? increased nutrient levels decreased soil stability decreased surface temperature ncreased biodiversity of soil-dwelling invertebrates.

What is the final temperature of a metal sample : what is the final temperature of A metal sample weighing 34.526 g was heated to 98.0 degrees Celcius then quickly transferred into a styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27.0 degrees celcius.

What is the probability of x bar less than a value : Suppose a doctor uses the average x bar for two tests taken about a week apart. what is the probability of x bar less than 3500? C. Repeat part B for n = 3 tests taken a week apart.

Will net flow of k+ move out of the cell indefinitely : Will net flow of K+ move out of the cell indefinitely? No, when enough K+ has flowed out of the cell, the interior of the cell will become negatively charged, which will result in the K+ being drawn back in. Yes, so long as it is powered by active..

Define weight percentage of mtbe : Weight Percentage of MTBE (methyl tert-butylether) in Gasoline : Oxygen Content, If gasoline had a hypothetical chemical formula of C8H17, and we knew the chemical formula of MTBE as CH3OC4H9, what weight (actual weight and percent by weight) of M..

Weekly activities : Throughout the unit you have been completing weekly hands-on tasks to gain insight into what T&E lessons might entail. These activities have generally been pitched to you at an 'adult' level, so for this task you will consider how to modify one of th..

Overhaul trucks at a significant cost : The company completely overhauled 10 of its trucks at a significant cost. The overhaul should extend the life of the trucks by at least 3 years. Because the company performs similar overhauls each year, the cost has been properly charged to repair..

User Account

All Pages