What is the probability that you pick exactly 15 daisies in

Assignment Help Basic Statistics
Reference no: EM13610476

You are picking a bouquet of 20 flowers for your mother at random from a garden with 25 coneflowers, 35 daisies and 42 lilies. Your mother likes daisies the best and you want to have 15 of those in your bouquet.

a) Define D in terms of the story. Name its distribution and parameters.

b) What is the probability that you pick exactly 15 daisies in your bouquet?

c) What is the probability that all of the flowers in your bouquet are daisies?

d) What is the expected value and variance of D?

e) What is the expected number of coneflowers in your bouquet?

f) What is the expected number of lilies in your bouquet?

Reference no: EM13610476

Questions Cloud

Assume that adults have iq scores that are normally : assume that adults have iq scores that are normally distributed with a mean of 100 and a standarddeviation of 15 as on
The wolf pack needs to kill 3 large animals in order to : a wildlife study has found that a wolf pack is successful in killing one large animal for every 12 that it chases.a
On average 9 babies are born per 24-hour day at a hospital : on average 9 babies are born per 24-hour day at a hospital in indianapolis.a what is the probability that at least one
What are the distribution and parameters of s how many days : edward and his friends cannot go outside when it is sunny because they are vampires. edwards hometown forks washington
What is the probability that you pick exactly 15 daisies in : you are picking a bouquet of 20 flowers for your mother at random from a garden with 25 coneflowers 35 daisies and 42
Determine if the following data set is a population or a : determine if the following data set is a population or a sample the average electric bill for the 50 united states and
Create a 95 confidence interval for the percentage of all : in may of 2002 the gallup organization asked a random sample of 537 american adults this questionif you could choose
For a continuous random variable x p27 x 74 035 and px : for a continuous random variable x p27 ? x ? 74 0.35 and px gt 74 0.1. calculate the following probabilities. how
An american roulette wheel has 38 slots 18 are red 18 are : an american roulette wheel has 38 slots 18 are red 18 are black and 2 are green. let r be the number of spins until you

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine a confidence interval for mean efficiency

Determine a 95% confidence interval for the mean efficiency of a given batch of motors. If we want to cut the confidence interval by 1/3, how many motors should be tested?

  Determine shortest time spent waiting for heart

Determine the shortest time spent waiting for a heart that world still place a patient in the top 10% of waiting times? In days?"

  Current weekly demand forecast for an item follows a normal

question 1current weekly demand forecast for an item follows a normal distribution with a mean of 100 units with a

  Probability of the mean price

What is the probability that the mean price for a sample of 30 service stations is within $.03 of the population mean (to 4 decimals)?

  Distribution and coefficient of skewness

For a sample of engineers, the mean salary is $95,000 with a standard deviation of $30,000. The median value is $80,000. What is the relative shape of the distribution and coefficient of skewness?

  In a survey of 2000 adults 50 years and older of whom 80

in a survey of 2000 adults 50 years and older of whom 80 were retired and 20 were pre-retired the following question

  What percent of sales representatives earn more

The mean yearly amount earned is $40,000 and the standard deviation is $5,000. What percent of the sales representatives earn more than $42,000 per year?

  Determining test statistic using equal variances formula

In testing equality of two means below, determine the test statistic?  (Use the equal variances formula)

  Compute approximate jp-value associated with test statistic

Compute the approximate jp-value associated with the test statistic. Does the sample data support the null hypothesis at the a- 0.05 level?

  Find probability that all six arrive within two days

The same city are delivered within two days. Six parcels are randomly sent to different locations. What is the probability that all six arrive within two days?

  Find probability to earn if model skewed to the left

With a mean of $8.90 and a standard deviation of $5.70. She waites on 30 parties. What is the probability that she will earn at least $350?

  Determine the probability that letter carrier works

Overtime happens after eight hours of work on given day. Determine the probability that letter carrier works overtime on any given day?

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