If a sample of 20 plants is taken what is the probability

Assignment Help Basic Statistics
Reference no: EM13645725

From trials conducted during breeding a variety of corn, it was found that the height of the population of plants follows a normal distribution with µ = 145 cm ? = 22 cm

a. If the total population is 3096 corn plants, about how many plants are between 135 and 155 cm tall?

b. What are the 30th and 80th percentile for height?

c. If a sample of 20 plants is taken, what is the probability that the sample mean height is between 140 and 150 cm?

d. If we sample 15 individuals, what is the probability of the sample mean being > 110 cm?

Reference no: EM13645725

Questions Cloud

A network provider investigates the load of its network the : a network provider investigates the load of its network. the number of concurrent users is recorded at fifty locations
Approximately 22 of 1000 fish in a pond are infected with a : 1. approximately 22 of 1000 fish in a pond are infected with a skin disease. a random sample of 20 fish is selected.
A player of a video game is confronted with a series of : a player of a video game is confronted with a series of opponents and has an 83 probability of defeating each one.
The probability of a successful optical alignment in the : 1 the probability of a successful optical alignment in the assembly of an optical data storage product is p 0.6.
If a sample of 20 plants is taken what is the probability : from trials conducted during breeding a variety of corn it was found that the height of the population of plants
In the laboratory for another class you and your lab : in the laboratory for another class you and your lab partner are told to calculate a 95 confidence interval for the
In a study to determine the success rate of premed students : in a study to determine the success rate of premed students at uta it was found that 40 of premed students ultimately
Consider an f distribution with numerator degrees of : consider an f distribution with numerator degrees of freedom and denominator degrees of freedom. compute . round your
Consider a virus that is spread by transfusions of blood : consider a virus that is spread by transfusions of blood contaminated by the virus a person receiving contaminated

Reviews

Write a Review

Basic Statistics Questions & Answers

  The diameters of pencils produced by a certain machine are

the diameters of pencils produced by a certain machine are normally distributed with a mean of 0.30 inches amd a

  Determining anova-regression

What type of situation would I be able to understand how to use regression as a key driver as an influence in sales or other outcomes?

  Find the moment generating function of sum

Find the moment generating function of their sum and identify the corresponding distribution, its mean and its variance.

  A large corporation receives express mail deliveries at its

a large corporation receives express mail deliveries at its main office in new york daily. the express mail is

  For the following managerial dilemmas formulate a research

for the following managerial dilemmas formulate a research problem and plan the findings of which will aid the decision

  Difference in levels of self-esteem between boys and girls

What statistical test did the researchers use to determine if there was a statistically significant difference in levels of self-esteem between the boys and the girls?

  Determine the sampling distribution for the mean difference

question 1 a company sells packets of biscuits that they claim on average contains at least 20 g biscuits in each

  Draw a tree diagram that indicates the possible production

in a production process a product goes through one of the assembly lines a b or c and then goes through one of the

  Mat 109 extra credit assignment please see attach file you

please see attach file. you must show your workdirections this assignment consists of 8 parts of two chapter review

  In a random sample of 5 parts on an assembly line the

1. in a random sample of 5 parts on an assembly line the probability that one of the parts is defect is 15 and follows

  Find the covariance between the random variables x and y

the joint density for xy is given byfxyxy x3 y3 16 0 ltx lt 2 0 lt y lt 2a find the marginal densities for x and yb

  Twelve case of leukemia are reported in people living in a

many investigators have studied the relationship between asbestos exposure and death from chronic obstructive pulmonary

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