Charles is reviewing the midterm grades of all seventh graders at a middle school. Thus far, 10.3% of the grades reviewed are failing. If Charles takes 10 midterm grades, what is the probability that at most two grades will be failing? Round your answer to 3 decimal places.

Q: A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate…

A: Given data 5 oranges are picked at random Total oranges = 80 6 oranges are rotten

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 8 seeds are planted,…

A: From the provided information, If a seed is planted, there is 80% chance of growing into a healthy…

Q: Twenty percent of all telephones of a certain type are submitted for service while under warranty.…

A: Given : 20% of all telephones of a certain type are submitted for service Out of these 60% get…

Q: A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate…

A: Introduction: Total number of oranges = 65. Out of these, total number of rotten oranges = 6. Thus,…

Q: Kathryn buys a bag of cookies that contains 9 chocolate chip cookies, 5 peanut butter cookies, 8…

A:

Q: If a newborn lab rat receives a hormone and its weight in ounces is converted into a z score that is…

A: Given the z score for the weight in ounces of a newborn lab rat receives a hormone is 2.

Q: To test its shotgun shells, a company fires 5 of them. What is the probability that all 5 will fire…

A: Let us assume that X= number of shells that fires properly.  n= number of trials= 5 Given that  4%…

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: Given: Sample size, n = 446 32% of the opera tickets for tonight's show have been sold Proportion =…

Q: In a poll,  480 out of 1623 people said that they prefer chocolate ice cream to vanilla.   (a) What…

A: From the given information, out of 1,623 persons 480 were responded that they prefer chocolate ice…

Q: The ABCD ELECTRONICS has just manufactured 5000 blu-rays, and 50 are defective  if 5 of these…

A:

Q: Suppose you have an experiment where trials have a 11% chance of error, and you repeat the trial 8…

A:

Q: A financial talk show host claims to have a 63 % success rate in his investment recommendations. You…

A: here given , A financial talk show host claims to have a 63 % success rate in his investment…

Q: A. A customer from Cavallaro's Fruit Stand picks a sample of 3 oranges at random from a crate…

A:

Q: Suppose a birth control pill is 97% effective in preventing pregnancy. (Round your answers to three…

A: Given, birth control pill is 97% effective in preventing pregnancy. (a) 0.97^200 = 0.0023 = 0.002

Q: a mother figures that her son will forget his homework about 20% of the time. What is the…

A: Given data: The percentage son forgets his homework is p=20%=0.20. The number of days is n=10. The…

Q: . What is the probability that a student will neither do homework regularly nor will pass the ourse?…

A:

Q: Suppose that on the average, 8 students enrolled in a small liberal arts college have their…

A:

Q: The weatherman has been correct on the temperature two out of the past 30 days what is the…

A: From the given data:   Let X be the number of success x=2   Let N be the number of trials n=30

Q: When playing the game clash of clans, red army six has earned three stars during 34 of her last 91…

A: Given that the total number of wars= 91 The number of 3 stars= 34

Q: According to a study conducted by a public health school, a child seated in the front seat who was…

A: Consider the given information.

Q: A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate…

A:

Q: You have a really annoying stapler that seems to randomly jam. On any given attempt to staple, it…

A:

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: The opera theater calculates that 32% of the opera tickets for tonight's show have been sold. That…

Q: If 15% of adults in a certain country work from home what is the probability that fewer than 30 out…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 12 seeds are planted,…

A:

Q: A recent study has shown that a new treatment cures a certain disease 66% of the time. If this…

A: We have to use Binomial distribution. Binomial distribution : If x follows Binomial distribution…

Q: On average, Camden has noticed that 18 trains pass by his house daily (24 hours) on the nearby train…

A:

Q: A researcher believes that 8% of females smoke cigarettes. If the researcher is correct, what is…

A: From the given information, probability for female smoke cigarettes (P) = 8%And sample of females…

Q: On average, Colby has noticed that 21 trains pass by his house daily (24 hours) on the nearby train…

A: Given that, 21 trains pass by his house daily, Probability that at most 6 trains in 12 hours:

Q: Compton Computers finds that the time to failure of its power supply unit is 4000hours. One unit…

A: Mean time between failures =MTBF = 1λ= 4000 hours where λ represents the failure rate Time to…

Q: City crimes records show that 20% of all crimes are violent and 80% are nonviolent. Ninety percent…

A: From the provided information, Let V be the event that crime is violent. Let R be the event that…

Q: A manufacturer finds that 1.5% of its products is defective. What is the probability that one of the…

A: It is given that the random variable X follows Binomial distribution with parameter p = 1.5% = 0.015…

Q: A history class is comprised of s female and 6 male students. If the instructor of the class…

A: Given: Number of females = 8 Number of males = 6 Total number of students = 8+6…

Q: The sales department of Thompson Drug Company released the accompanying data concerning the sales of…

A: Drawing a tree diagramLet C denotes CAPSULE, T denotes tablet and E denotes Extra dosageThe data is…

Q: Q1. If the average number of suicide in Bollywood is 3 per year, what is the probability that…

A:

Q: Suppose 50% of the children in a school are girls. If a sample of 890 children is selected, what is…

A: 26. Given that 50% of the children in a school are girls. And there are 890 children is selected.…

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Solution Given: Sample size (n) = 11 p (don't grow into a healthy plant) = 1- p (grow into a healthy…

Q: hat's the probability that if a student who was surveyed was randomly selected that: be at the end…

A: A: End of the first year The probability that if a student who was surveyed was randomly selected…

Q: According to the CDC 13% of college students aged 18 - 14 smoke tobacco. sample of 25 college…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted,…

A:

Q: A 5th grade teacher seems that 24% of her students are late for class. If the teachers right, what…

A: Let p be the true population proportion.It is given that the proportion of late student p0 is…

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant.If 6 seeds are planted,…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: A quality control inspector has drawn a sample of 19 light bulbs from a recent production lot. If…

A: Consider X as the number of successes (the lot passes inspection) out of the n = 19 light bulbs.…

Q: Joe tosses a fair three-sided die 9 times. What is the probability he rolls all threes? If…

A:

Q: In a large population, 53% of the people have been vaccinated. If 4 people are randomly selected,…

A: Given data The Probability of people being vaccinated is, p = 0.53 The No of people randomly…

Q: A recent survey of 2500 people who own tablets showed that 1,654 use the device to play games, 1,001…

A: Let G be the event that a person uses tablet for playing games and E be the event that a person uses…

Q: In a survey of 2541 adults aged 18 years and older, 63% of respondents claimed that it was easier to…

A: Given information- Given problem is of binomial distribution. Probability of success, p = 0.37 No.…

Q: A casino has a game with a 22% chance of winning. What is the probability of the team winning…

A: A casino has a game with a 22% chance of winning. What is the probability of the team winning…

Q: According to a study conducted by a public health school, a child seated in the front seat who was…

A:

Q: seat who was wearing a seatbelt was 33% more likely to be killed in an accident if the car had an…

A: