he probability that a battery will last 10 hr or more is .8 , and the probability that it will last 15 hr or more is .15. Given that a battery has lasted 10 hr, find the probability that it will last 15 hours or more.

Q: A drug test is accurate 98% of the time. If the test is given to 2000 people who have not taken…

A:

Q: A high school baseball player has a 0.217 batting average. In one game, he gets 7 at bats. What is…

A: P(hit) = p = 0.217 no. of trials (n) = 7 x = no. of hits P(x≥2) = ?

Q: Solve. log,(a) = 3 54

A:

Q: Find the probability a randomly selected z-score is between -1.4 and 2.3.  Round your result to 4…

A: We have to find given probability

Q: Aden buys a bag of cookies that contains 5 chocolate chip cookies, 4 peanut butter cookies, 4 sugar…

A: number of chocolate chip cookies in a bag = 5 number of  peanut butter cookies in a bag = 4 number…

Q: A really bad carton of 30 eggs contains 8 spoiled eggs. An unsuspecting chef picks 5 eggs at random…

A: Given,no.of spoiled eggs=8no.of unspoiled eggs=22Total no.of eggs=30

Q: What is the probability that if you roll a die 6 times, you will get a 2 on the 6th try?

A: The sample space for rolling a dice is {1,2,3,4,5,6} probability of getting 2 is 16 Probability of…

Q: A mail order company has a 11% success rate. If it mails advertisements to 515 people, find the…

A: Given Information: n=515p=11%=0.11To find the probability of getting less than 53 sales.

Q: Manuela measured how many times she arrived to work late if she left her home at 8 AM. The results…

A: Given data is Result Frequency late 5 on-time 19

Q: Small Business Owners Seventy-six percent of small business owners do not have a college degree. If…

A: It is given that, n=70 and 0.76.

Q: Calculate the probability that one of the next 6,827 times the slot machine is played, a jackpot is…

A: Here given ,  The chance of winning a jackpot on a certain slot machine is 1/17500​  . Next 6827…

Q: Garrett buys a bag of cookies that contains 6 chocolate chip cookies, 5 peanut butter cookies, 9…

A: From the provided information, Total number of cookies = 6 + 5 + 9 + 5 = 25

Q: A friend has a 78% average before the final exam for a course. That score includes everything but…

A: Percent means 100th part of whole. It is denoted by %. a% of b means a100xb.

Q: The probability is 0.0651 that the 4th applicant for a factory job will be hired on the 10th…

A: Given that, the probability is 0.0651 that the 4th applicant for a factory job will be hired on the…

Q: A heart pacemaker consists of a switch, a battery of constant voltage Eo, a capacitor with constant…

A: Explanation  we have given the voltage change E across the heart satisfies the linear differential…

Q: The probability that an employee gets the highest rating at their annual review is 40% The…

A: It is given that: The prob. that an employee gets the highest rating, PR=40%=0.40. The prob. that an…

Q: find the probability that the first raw chicken sandwich you get will be on the xth sandwich you…

A:

Q: A survey of families revealed that​  58% of all families eat turkey at holiday meals. ​  44% eat ham…

A: Given data, P(Turkey)=0.58 P(ham)=0.44 P(Turkey and ham)=0.16 P(Turkey or Ham)=?

Q: The probability that a student pilot passes the written test for a private pilot's license is 0.55.…

A: Probability distributions are of two types, discrete and continuous distributions. Binomial…

Q: The probability is 0.6. 10 shots, what is the probability that she makes exactly 7 of them? Round to…

A: It is given that the probability of making a shot is 0.60. Assuming that shots are independent, the…

Q: A mail order company has a 7% success rate. If it mails advertisements to 636 people, find the…

A: Givenp=0.07n=636let "x" be no. of getting salesx~Binomial(n=636,p=0.07)P(X=x)=(nx)px(1-p)n-x  ;…

Q: A hunter is able to hit the flying bird 40% of the time. If he shoots 8 bullets, what is the…

A: According to the given information, we have A hunter is able to hit the flying bird 40% of the time.…

Q: Selected Technologies According to recent surveys, 60% of households have personal computers. If a…

A: It is given that sample size n is 151 and p is 0.60. If np ≥ 5 and n(1–p) ≥ 5 then it is appropriate…

Q: Find the probability a randomly selected z-score is less than -2.1.  Round your result to 4 decimal…

A: Solution: The probability that a randomly selected z-score is less than –2.1 can be obtained by…

Q: A basketball player has a 0.52 probability of making a three-point shot. What is the probability…

A: Let p denote the probability that player making a three point shot. Let the random variable x denote…

Q: The probability of obtaining a raw chicken sandwich at Windies restaurant is 10.4%. Complete the…

A: The probability of obtaining a raw chicken sandwich at Windies restaurant is 10.4%   that is the…

Q: Fifty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers.…

A: Answer:- Given, 50% consumers prefer to purchase electronics online.  That is, Probability of…

Q: The probability is 0.309that the gestation period of a woman will exceed 9 months. In 3000human…

A: Given data The probability is 0.309 that the gestation period of woman will exceed 9 months

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.