A test is conducted in a high-risk area during a pandemic. Of the 20 people who were tested, 7 are positive cases and 13 are negative cases. If 6 people were drawn, without replacement, what is the probability that exactly 3 are positive cases?  Identify the type of probability distribution shown in the problem Identify the given in the problem and solve for the probability.

Q: If the mean number of serious accidents per year in a large factory is 4, find the probability that…

A: Obtain the probability that in the current year there will exactly 4 accidents. The probability that…

Q: The probability of an event occurring is 4/7. Determine the odds against the event occurring

A:

Q: Suppose that 30% of people own dogs. If you pick two people at random, what is the probability that…

A: Probability that people own a dog = 30% = 0.30

Q: Suppose that 21% of people own dogs. If you pick two people at random, what is the probability that…

A: According to the given information, we have Given that 21% of people own dogs. Sample size, n = 2

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: The probability that an individual is​ left-handed is 0.130. In a class of 25 ​students, what is…

A:

Q: The probability that a patient is allergic to penicillin is 0.20. Suppose this drug is administered…

A: It is an important part of statistics. It is widely used.

Q: A coin is flipped 5 times and X is the number of tails.  Find the probability distribution of X. Do…

A: Introduction :-  Here we have to find out the probability distribution for number of tails. If a…

Q: Find the probability of choosing a letter other than the letter L from a bag that contains the…

A:

Q: When the time runs out in a soccer game and the score is tied, the game will go to a shootout. Each…

A:

Q: A die is rolled five times. A 4 is considered “success" ,while all other outcomes are "failures”…

A:

Q: Suppose that 44% of people own dogs. If you pick two people at random, what is the probability that…

A: Independent Events:   Any two events A and B are said to independent if the occurrence of the event…

Q: A doctor preformed a study on 100 patients taking medication for the same illness. At the end of the…

A: Design of experiments

Q: If the probability that an event does no occur is 0.3 determine the probability that the event…

A:

Q: The probability that a student in Oakland will receive a B in Kathy Williamson's statistics class is…

A: Given that, The probability that a student in Oakland will receive a B in Kathy Williamson's…

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.972, what is…

A: It is given that the probability that a vaccine will protect a person from getting the flu is 0.972.

Q: If 14% of active duty soldiers in the U.S. Army are women. Find the probability that none of the…

A: Let X be the number of women soldier in U.S army from binomial distribution with probability (p)=…

Q: A study indicates that 37% of households have have a dog. You randomly sample 8 households. Find the…

A:

Q: Out of all of the emails a secretary receives, she receives one from her boss 33% of the time. She…

A: Given information P (Receiving one mail from her boss) = 0.33 P (Randomly driving to work instead of…

Q: A student has a 30% chance of getting a particular professor for a class. What are the odds of…

A: From the provided information, There is 30% chance a student getting a particular professor for a…

Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…

A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

Q: A baseball player has a lifetime batting average of 0.208. If, in a season, this player has 360 "at…

A:

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.932, what is…

A:

Q: 45% of Americans don't know the sun is a star. The data is normally distributed. Find the…

A: Given that, n=120,p=0.45 The mean and standard deviation of the sampling distribution of  p^ is,

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are…

A:

Q: While driving to work, Arceli passes through 3 stop lights. The probability distribution of the…

A:

Q: The probability that a house in an urban area will be burglarized is 6​%. If 47 houses are randomly​…

A:

Q: A student has a 40% chance of getting a particular professor for a class. What are the odds of…

A: Step 1: Identify the formula for odds given probabilityOdds (A) = P (A) / [1 - P (A)]  Step 2:…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.