new oil filter is needed, what is the probability that the oil has to be changed?

Q: If a coin is flipped four times, construct the probability distribution for the number of heads. *

A:

Q: An insurance salesman sells on average 5 policies per day. What is the probability that he will sell…

A: Solution

Q: What is the probability that the number on the first die is smaller than the number on the second…

A: The sample space of two dice are thrown is S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2)…

Q: How does the probability of an event can be determined?

A: The term probability is used widely (usually in statistics theory) as it gives the estimate of the…

Q: Write down general probability rules.

A: Probability- The probability is type of ratio where it is compared that how many times an outcome…

Q: what is the probability that a person who could give up her cell phone could also give up

A: Answer is  0.31

Q: A family's cat is pregnant with 4 kittens. If the probability each kitten will be gray like the…

A: here from given information  p = probability of kitten is not gray  =  1 - 0.49 = 0.51  n =  4

Q: The average number of people who die in a month from a rare disease in a city is 4. What is the…

A: The average number of people who die in a month from a rare disease in a city is 4.

Q: What is the probability of obtaining pink or brown followed by green?

A: Given ,First spinner is having three different colours pink, blue, brown.Second spinner is having…

Q: There's a rare disease that occurs in 1% of the population. There's a test that yields positive…

A: From the given information, Consider, D be the event that shows the population having rare disease.…

Q: Bank tellers in a certain bank make errors in entering figures in their ledgers at a rate of 0.8…

A: Given,a rate of errors per page =0.8no.of errors per 5 pages(λ) = 5×0.8=4X=no.of errors per 5…

Q: When a single die is rolled, what is the probability of getting a number less than 6.

A: If a single die is rolling then sample space (s) is,  s = { 1, 2, 3, 4, 5, 6 } = 6 outcomes Then,…

Q: What is the probability of having ten boys out of ten children? Please show me how you worked it…

A: From the given information we find the probability of having ten boys out of ten children?

Q: An insurance company needs to develop a new bankruptcy policy in a new city. It was observed an…

A:

Q: The probability of an event is 12/27. What are the odds in favor of the event? What are the odds…

A: From the provided information, The probability of an event (p) = 12/27

Q: Find the empirical probability of flipping a coin 10 times

A: We need to find the emperical probability of flipping a coin 10 times Emperical probability is…

Q: What is the probability of obtaining blue followed by green or purple?

A: Given ,First spinner is having three different colours pink, blue, brown.Second spinner is having…

Q: A die was rolled 16 times, what is the probability of rolling a number greater than 4 seven times.

A: Given that  n=16 , p=2/6=1/3  X~Binomial(n=16,p=1/3) X=Number of time the number greater than 4…

Q: The chance of rain is 20%, the chance of it being sunny is 60%, and the chance of it being sunny and…

A: Given that, The chance of rain is 20% The chance of it being sunny is 60% The chance of it being…

Q: It snows in Greenland an average of once in 20 days, and when it does, glaciers have a 25% chance of…

A:

Q: If probability of a single birth resulting in a boy is 0.435, then what is the probability of it…

A: Given that the probability of a single birth resulting in a boy is 0.435. Than we have to find the…

Q: What is the probability that the sum will reach 7 or 10 in one roll of two dice?

A: In rolling a dice following possible outcomes is observed {(1,1),(1,2),(1,3),(1,4),(1,5),(1,6)…

Q: If you roll a die twice, what is the probability that you get two sixes in a row?

A: Obtain the probability that you get two sixes in a row. The probability that you get two sixes in a…

Q: mcburger's drive thru has only one service window and serves an average of 2 customers every 5…

A: Exponential Distribution: A continuous random variable X is said to follow Exponential distribution…

Q: We know that certain bacteria are present in water in a proportion of 3 bacteria per cm3 . What is…

A: Given:. This means that on average, we expect to find 3 bacteria in each cubic centimeter of…

Q: In terms of probability, what does it mean to say that two events are independent?

A: Two events are independent , if we know that occurrence of one event does not affect the probability…

Q: What does the mean of a probability disturbution represent?

A: Any random variable can assume several values and there is a probability associated with each value.…

Q: Assume that Advanced Researcher, a company that is currently testing a few vaccines confirms an 80%…

A: The given data is, X: number of people who has the effect of the vaccine  =40 p : probability of…

Q: Is it likely that a coin flipped 3 times will land heads exactly once or will land heads up exactly…

A:

Q: Is a seed is planted it has 85% chance of growing into a healthy plant if 12 seeds are planted ,…

A: Given data, Probability of  growing into a healthy plant is =85%=0.85 Let p be the probability that…

Q: recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

A: We have given that  Sample size n = 10 Success of probability p= 0.70 X~binomial ( n , p )

Q: How can we compare the probability value with the α level?

A: The comparison of the probability value (p-value) with the α level is based on the decision rule of…

Q: Is it unusual because the probability of a women having blood pressure lower than 63 mmhg is what?

A: Given data : Check your blood pressure: In a recent study, the Centers for Disease Control and…

Q: When a single die is tossed, what is the probability of getting a number that is a multiple of 2?

A:

Q: The average number of emergency calls that an ambulance service gets per day is 5. What is the…

A: The average number of emergency calls that an ambulance service gets per day is 5. What is the…

Q: what is the probability of an event that must happen?

A: The event that must happen is called as sure event or certain event.

Q: If you roll 1 six sided die, what is the probability that you roll a number higher than 2? (Express…

A:

Q: If you roll 1 six sided die, what is the probability that you roll an odd number? (Express your…

A: Probability is defined as the extent to which an event is likely to occur. The probability of an…