Assuming that the probability of failure for a large number of manufactured CPU chipset is 0.25. Find the probability that at most 2 chipsets fail in the next 20 that are tested. Round your answer to 3 decimal places.

Q: What is the probability the competitor takes more than 12 minutes to finish the course? Give your…

A: here given, time taken for complete the uniform obstacle course in the statistics games is uniformly…

Q: At this resolution level of the data, each dot in the above graph represents about 200 Tesla Model S…

A: Given information: Denote the population proportion as p. Given that the preliminary estimate of the…

Q: A baseball player has a batting average of 0.355. What is the probability that he has exactly 3 hits…

A:

Q: A coin is flipped 30 times. What is the probability of getting 15 or more heads? Round answer to 4…

A: Givensample size(n)=30p=12 =0.5                (i.e., getting head in a toss)Let "x" be getting…

Q: A dice is rolled 4 times. What is the probability of showing a 6 on every roll? (Round to 4 decimal…

A: The roll has 6 sides, the probability of rolling a six when the dice are rolled once is 1/6  When…

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: According to the Center for Disease Control (CDC), 46.8% of Americans get a flu shot each season.…

A:

Q: A history class is comprised of 8 female and 7 male students. If the instructor of the class…

A: Given that Female students =8 Male students=7 Randomly selected students= 8

Q: f the odds against winning on a scratch-off lottery ticket are 646:5, what is the probability of…

A: Given Odd against winning is 646:5  Let A be the event of getting winning scratch-off lottery ticket…

Q: 35% of Americans get a flu shot each season. What is the probability that atleast 2 out of 5…

A:

Q: The probability that a student is awarded a pass in Engineering statistics is 0.75. Find the…

A: Solution: Let X be the number of students pass the statistics examination and n be the sample number…

Q: A dice is rolled 3 times. What is the probability of showing a 6 on every roll? (Round to 4 decimal…

A:

Q: The probability of buying a movie ticket with a popcorn coupon is 0.717. If you buy 21 movie…

A: Given datan= 21p= 0.717probability that exactly 14 of the tickets have popcorn coupon green is given…

Q: To avoid detection at customs, a traveler places 6 narcotic tablets in a bottle containing 9 vitamin…

A: Given N=15 Sample size is greater than 5%

Q: Find the probability that in tossing a fair coin 7 times, there will appear a head at least twice.…

A: Given,n=7p=P(getting a head)=12=0.5Let X=no.of heads appearX~Binomial (n=7 ,p=0.5)P(X=x)=7x 0.5x…

Q: A history class is comprised of 10 female and 3 male students. If the instructor of the class…

A: Given that the information  Number of female students =10 Number of Male students=3 Total =17 we…

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

A:

Q: A dice is rolled 4 times. What is the probability of showing a 2 on every roll?  (Round to 4…

A: The probability of an event is defined as,

Q: A baseball player has a batting average of 0.185. What is the probability that he has exactly 2 hits…

A: Let us denote: X= the number of hitsn=number of trials=7p=the probability of success= 0.185X follows…

Q: A hockey goaltender has a save percentage of 0.920. This means that the probability of any single…

A: Let  X: No.of goal scored on goaltender in a game. p= Probability of any single shot taken on the…

Q: A history class is comprised of 10 female and 7 male students. If the instructor of the class…

A: Given, No of female students=10 No of Male students=7 Total students=17   If instructor wants to…

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 coin is tossed 6 times. What is the probability of getting at least one tail? Express your answer…

A:

Q: The driving time between Toronto and North Bay is found to range evenly between 195 and 240 mins. a.…

A: The given distribution is uniform distribution. X~U(a=195,b=240) Then, a. P(driving time≤210)=?The…

Q: A bag contains 12 red marbles, 3 green marbles and 7 blue marbles. What is the probability of…

A: There are total (12+3+7)=22 marbles  Among them 12 red marbles

Q: A dice is rolled 3 times. What is the probability of showing a 2 on every roll? (Round to 4 decimal…

A: Solution: Suppose a dice is rolled three times. The sample space contains 6*6*6=216 outcomes. That…

Q: (a) What is the probability that a laser fails before 5800 hours? (b) What is the life in hours that…

A:

Q: Use the method of your choice to determine the probability below. Three rainy days in a row when the…

A:

Q: g. What is the probability that the useful life of a laser exceeds five years?

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: A baseball player has a batting average of 0.355. What is the probability that he has exactly 4 hits…

A:

Q: The lacrosse team has a 65% chance of winning its upcoming games. Find the probability of them…

A:

Q: The table below shows the number of athletes who stretch before exercising and how many had injuries…

A:

Q: A baseball player has a batting average of 0.335. What is the probability that he has exactly 4 hits…

A: Given data, p=0.335 n=7 P(X=4)=?

Q: A baseball player has a batting average of 0.335 what is the probability that he has exactly two…

A:

Q: form of technology like Excel or StatDisk to find the probability p = 0.205 of success on a single…

A: p = 0.205 n = 5

Q: Solve for the probability that a random sample of 25 sports utility vans has an average within 0.5…

A: Automotive engineers have found that the gas mileage in highway driving of a certain sports utility…

Q: If you roll a die once, what is the probability that you will get a 4 or less? Round off your answer…

A:

Q: The time students take to complete an exam follows a uniform distribution and is between 30 minutes…

A: We have to find given probability.

Q: A basketball player has a 0.654 probability of making a free throw. If the player shoots 13 free…

A:

Q: If you roll a die once, what is the probability that you will get a 4 or higher? Round off your…

A:

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: A baseball player has a batting average of 0.325. What is the probability that he has exactly 2 hits…

A: Let "X" be the batting average of the basketball player.

Q: the probability that the number alive at age 75 years will be at least 3?

A: Let , X be the number of person of age 20 years will be alive at age 75 years. Here , X→B(n=4 ,…

Q: selected, what is he probability that the average sugar content is less than 37 grams?

A: Here distribution with Mean = 39 Standard deviation = 15 Now sample of 40 bottles are taken from…

Q: An old camera has a 45% chance of not responding after taking a shot. What is the probability that…

A: Solution-: Given: p=0.45 We want to find, P(the camera will stop responding on the 6th shot of the…

Q: Find the average lifetime of the machine part. Calculate the probability that the lifetime of the…

A: fx= 10+x-2; 0<x<40 fx=k 10+x-2; 0<x<40 First, we have to find the value of k Therefore,…

Q: A fair die is rolled five times. What is the probability that it comes up 2 at least once? Write…

A: The probability of getting a 2 is  p = 1/6n = 5

Q: A history class is comprised of 8 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: When rolling a die 142 times, what is the probability of rolling a 6 greater than 20 times?

A: np = 142/6 = 23.67 >10  n(1-p)  118.33 >10 ============ Normal approximation to binomial dist…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.