If 13 items are picked at random, 4% of the time their mean life will be less than how many years?

Q: if a test is weighted at 25% and I make a 55 on the test with my current grade being a 82, would is…

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Q: Home values in town have declined 29% per year for each of the past fours years. What was the total…

A: Introduction: The percentage is a method or technique which varies from 0 to 100. The percentage is…

Q: Work out 34.5/4.6

A: Consider the given expression,34.5/4.6

Q: A very good professional baseball player gets a hit about 35% of the time over an entire season.…

A: Solution:- The commentator is wrong because the law of averages does not apply in this situation.…

Q: If the class has 670 points in total, how much I need to pass with the 70%?

A: Formula to calculate the percentage (%) value defined as shown below…

Q: the percentage of us deaths due to diabetes in that year is

A: Let W : White who died,    B : Black who died,     A : Asian who died,        then it is given…

Q: what percentage of pregnancies last longer than 279 days?

A: The given mean 266 days and standard deviation 13 days.

Q: What percentage of variation in GPAs can be explained by students' SAT scores? Round your final…

A: Coefficient of determination is the square of the correlation coefficient  (r2) and it explains that…

Q: According to recent data, 33% of people are left handed. In a sample of 200 people, how many would…

A: Answer: From the given data, Let X: Left handed people Sample size (n) = 200 P(left handed people) =…

Q: Poaching refuces a population of animals by 4% per year. When the population of tis animal fals…

A: Let P0 be the current population at time 0. The depreciation rate is -4%. The function that models…

Q: 6:37. According to the Chebyshev's theorem at least what percentage of the data values lie bérween

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Q: A multiplier of 1.85 corresponds to a percentage increase or decrease of what​ percent?

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Q: Suppose 30% of students at Florida University are business students. Of those, 31% are Business…

A: The percent of Florida University are business students is 30%, and there are 31% are Business…

Q: If the average time for a fifth grader to run a mile is 8.50 minutes (s = 1.25), what percentage of…

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Q: The error of the mean varies inversely as the square root of the number of repetitions. Thus to…

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Q: If we add a constant (for example, d) to all data values, how will this affect the geometric mean?…

A: Consider that x1, x2, x3, x4, x5, …. xn, are the data values. Thus, the GM (geometric men) can be…

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: What is the percent of deaths in 2003, or after 2010?

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Q: What is the difference between the average resistance to happiness at age 20 and at age 70?

A: Given :-  R = 4.6 - 0.02x put x = 20. ⇒R=4.6 - 0.02 × 20⇒R=4.6 - 0.4⇒R=4.2 Now, put x = 70 ⇒R=4.6 -…

Q: The probability of drawing a red face card from a deck of cards.   Leave your answer as a percent to…

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Q: Your grade is currently 84.76%. The final exam is 18% of your grade. If I get a 0 on this exam…

A: Here we will find the grade drop down to,

Q: find mean if n=2 and p=0.10

A: The concept of the binomial distribution is used by the researcher, if it is required to compute the…

Q: 1/2% of 412

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Q: The length of time a person shops for groceries can be modeled by an exponential distribution with…

A: Given, Let X be the length of time. X is exponentially distributed Average= 27 mins

Q: Suppose 28% of students at Florida University are business students. Of those, 10% are Business…

A: According to the given information in this question We need to find the percent of Florida…

Q: During the first half of the year, 686 patients were admitted to the cardiovascular care unit. Of…

A: From the provided information, Number of patients who were admitted to the cardiovascular during…

Q: Where did the 25% come from?

A: Since we know that 25% difference between each quartile

Q: If a person’s z score equals 2.08, what is their percentile?

A: Given info: The person’s z score equals 2.08.

Q: Where did the 1600 come from in 97% of 1600=1552?

A: From the obtained results, considered number of devices (n) is 10000.

Q: what percent of 1/18 is 1/15? round to the nearest tenth digit

A: We have to find percent for  Percent of 1/18 = 1/15  Let ,  x % of 1/18 = 1/15  Then ,

Q: The number of virus cells increases by 37% each day. What is the common​ ratio?

A: Please see the below answer.

Q: find x if out of 322 caps, 15% are red sox

A: It is given that total number of caps is 322.

Q: In the same group of 20 students, GPA was measured before the semester and after the semester. What…

A: It is given that GPA was measured before the semester and after the semester.

Q: If 1% of a shipment of 2000 light bulbs is defective, how many bulbs in the shipment are NOT…

A: Given, 1%  of a shipment of 2000 light bulbs is defective i.e, number of defective bulbs = 2000 *…

Q: What was the median commute time?

A: Here we want to know What was the median commute time.

Q: An outdoor hot dog vendor sells an average of 70 hot dogs per day in dry weather and an average of…

A: An outdoor hot dog vendor sells an average of 70 hot dogs per day in dry weather and an average of…