5,341 Answered Questions for the topic probability

Probability Math Statistics

01/15/23

I need help with this question of probability

Male Female TotalAge 19 & under 4746 4517 9263Age 20 1625 1553 3178Age 21 1679 1627 3306Total--------------8050----7697-----15747Find... more
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Probability

01/13/23

Probability of at least once over five chances at variable odds each time
If you had five chances to succeed in a game of chance, and you only needed one success to win, what would be your odds of winning that game of chance given that each try had the following... more
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Probability

01/13/23

math question please help
An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two... more
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Probability

01/12/23

There are 3 hats with 3 balls each (blue, red and white), what is the probability of drawing one ball from each hat and getting at least 2 blue balls?
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Probability

01/09/23

Probability and percentage
if there is 500 people and there were 39 apples, what is the percentage of 5 people getting an apple
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Probability

01/08/23

What do the central limit theorem and law of large numbers mean for a probabilistic distribution?
What do the central limit theorem and law of large numbers mean for a probabilistic distribution? How are they related?
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Probability

01/02/23

Statistics probability

a nurse have to choose between OLA hospital and JUTH hospital. OLA promises a salary package of 180,000 with a likelihood of 3/4 or a loss of 60,000 due to tax deductions with a probability of 1/4.... more
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Probability Statistics

01/01/23

Probability of hearing about someone for the first time on the exact day they die
On the 31 December 2022, for the first time in my life, I heard about a celebrity, Anita Pointer of the Pointer Sisters. I woke up the next day, checked the news and saw she had died they day... more
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Probability Math

12/18/22

Im not sure how to answer this....
The table below shows one doctor's patients who got the flu and whether or not they took a vitamin each day. Got the flu Did not get the flu Totals Took Vitamin 25 35 60 Did not take... more
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Probability Math

12/17/22

Im not sure how to solve this...
You have a box with 5 blue marbles, 4 red marbles, and 9 yellow marbles. You are going to pull out one marble, record its color, put it back in the box and draw another marble. What is... more
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Probability Math

12/17/22

At a breakfast buffet, 63% of people choose coffee for their beverage while 23% choose juice. Also, 20% choose both coffee and juice. What percentage of people chose coffee only?
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Probability

12/17/22

Probability Help!
The level of cholesterol in the blood for all men aged 20 to 34 follows a Normal distribution with mean 𝜇𝑀=188μM=188 milligrams per deciliter (mg/dl) and standard deviation 𝜎𝑀=41σM=41 mg/dl. For... more
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Probability

12/16/22

There are 20 red and 45 blue shirts. If a person wants to select 1 red shirt and 1 blue shirt, then in how many ways can he choose these 2 shirts?
Options are:A. 600B. 900C. 65D. 1800E. 1200
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Probability Math Statistics

12/15/22

The mean percent of childhood asthma prevalence in 43 cities is 2.14​%. A random sample of 31 of these cities is selected.

The mean percent of childhood asthma prevalence in 43 cities is 2.14​%. A random sample of 31 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the... more
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Probability

12/15/22

A clothing store has 5 hats 10 jackets 15 pants and 20 sweaters for sale. What is the probability a customer will randomly select a hat?
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Probability Math

12/14/22

probability help
An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two... more
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Probability

12/13/22

A bag contains 4 red marbles, 6 blue marbles and 2 green marbles. If two marbles are drawn out of the bag, what is the exact probability that both marbles drawn will be blue?
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Probability Statistics Econometrics

12/13/22

Basic concept in statistical inference

Determine tge area under the standard normal probability distribution fir tge following values:(a) z ≤ 2.0;(b) z≥ 0.0;(c) between z= 0.0 and z= 2.0;(d) between z= 0.8 and z= 3.0
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Probability

12/12/22

terry has a cube with sides labeled 1 through 6. he rolls the number cube twice. what is the probabilitythat the sum of the two rolls is a prime number, given that at least one of the rolls is a 1?
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Probability

12/11/22

Probability in a deck of cards
You are dealt one card from a 52 card deck. Then the card is replaced in the deck, the deck isshuffled, and you draw again. Find the probability of getting a picture card the first time and aclub... more
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Probability Statistics

12/10/22

What type of hypothesis?
A teacher wanted to know if her student ice cream preference was different than in previous years. The pie chart below represents the previous percentages. This year, 32 chose vanilla, 31 chose... more
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Probability Math Algebra 2 Prealgebra

12/08/22

How many different license plates can there be for this​ state?
All automobile license plates in a certain state consist of 3 capital letters followed by 4 digits. (Repeated digits are allowed but repeated letters are not allowed.) How many different license... more
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Probability Math Algebra 2 Prealgebra

12/08/22

What are the possible ways the student can create a password?
A student is to create a password for her MyMathLab homework account. She is informed that the password must consist of six characters. How many possible ways can she create the password if the... more
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Probability Math Algebra 1 Algebra 2

12/08/22

A marble bag contains 6 yellow ​marbles, 11 orange marbles, 10 white ​marbles, and 5 red marbles. Three marbles are selected at random without replacement. What is the size?
Determine the size of the sample space for the experiment described below.A marble bag contains 6 yellow ​marbles, 11 orange marbles, 10 white ​marbles, and 5 red marbles. Three marbles are... more
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Probability Math Algebra 2 Prealgebra

12/08/22

What is the probability that the ball lands on a number that is not on black?
Roulette is a game played in many casinos in which a wheel containing numbers of various colors is spun. A ball is dropped and eventually lands on a number. What is the probability that the ball... more
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