In a small town, there are 4954 adults and 2998 of them own a home. A real estate business would like to perform a study on homeowners to help with their business's advertising. If the real estate business surveys 199 adults in the town, use a calculator to determine the probability that 120 or fewer of them own a home. Round your answers to three decimal places. P= P^= Qp= P(X < 120)=

Q: If the mean number of serious accidents per year in a large factory is 4, find the probability that…

A: Obtain the probability that in the current year there will exactly 4 accidents. The probability that…

Q: Find the probability that more than 19 weeks pass between accidents.

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: A quick quiz consists of a multiple-choice question with 6 possible answers followed by a…

A: Given that, A quick quiz consists of a multiple-choice question with 6 possible answers followed by…

Q: A study indicates that 67% of students have have a laptop. You randomly sample 7 students. Find the…

A: Given that, The random variable X students have a laptop The probability of success is 0.67 p=0.67…

Q: A polling agency claims that over 40% of adults shop for a gift within a week of an event.  In a…

A: We have given that p = 40% = 0.40  n = 2730x = 1130p̂ = x/n = 1130/2370 = 0.4139Significance level…

Q: A researcher knows that number of people having a rare gene is on average 0.5 per  1000 people. Find…

A: Given that  The number of people having a rare gene is on average per 1000 people = 0.5 The number…

Q: A poll showed that 49.2% of Americans say they believe that statistics teachers know the true…

A: Given data:: The probability of the Americans who believe that statistics teachers know the true…

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: The average price for an acre of land in Texas is  N(2700, 7802)  in dollars. Jaime will survey 121…

A: Given Let the price of the plot be X X~N2700,7802Sample size, n=121

Q: In a recent survey, 303 out of 350 residents of Salem, MA said they are planning on passing candy…

A: here given ,  303 out of 350 residents of Salem, MA said they are planning on passing candy during…

Q: 0.72. Suppose that we randomly pick 25 daytime statistics students. In words, define the

A: Given that,The variable X has an exponential distribution with a mean is 0.72.No. of students To…

Q: P3 Harvard students graduate with honors =

A: Let , X be the number of Harvard students graduate with honors Here , X→B(n=3 , p=0.48) The…

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: The probability of this event is independent of each other of final probability will be the product…

Q: part 2

A:

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: The amount of time a customer spends in a convenience store can be modeled by an exponential…

A:

Q: What if the mean is 61?

A: Let X be the final exam score in statistics.Here X is normally distributed with a mean of 61 and a…

Q: Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or…

A: Here, theoretically, if we consider using of smartphones during meetings or classes, when selected…

Q: Studies show that seven percent of adults live to age of 110. You randomly select five adults. Find…

A:

Q: The average price for an acre of land in Texas is  N(2700, 7802)  in dollars. Jaime will survey 121…

A:

Q: study indicates that 29% of singles have have tried online dating. You randomly sample 9 singles.…

A: Let X be the random variable from binomial distribution with probability (p) = 29% = 0.29 and sample…

Q: Last week a gumball machine dispensed 10 white gumballs and 16 other gumballs. Considering this…

A: Introduction: If X ~ Binomial (n, p), then the probability mass function of X is: Here, n is…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 6…

A:

Q: certain disease has an incidence rate of 0.4%. If the false negative rate is 6% and the false…

A: In this question, concept of conditional Probability is applied. Conditional Probability The…

Q: Question #10Twelve percent of U.S. residents are in their thirties. Consider a group of six U.S.…

A: X: Number of . residents are in their thirtiesNown= number of residents in group=6p=P(in their…

Q: An Archer hits 25% of his targets at 200 feet. If he takes five shots, what is the probability that…

A: Step 1:Given data : no. of trials n=5probability of success p=0.25Here success is hitting the…

Q: According to one poll, 131 out of 200 people are allergic to cats. A device detects this allergy in…

A: From the given information,131 out of 200 people are allergic to cats.P( allergic to…

Q: 10. According to CNN, The unemployment rate fell to 3.7% in September 2018, the lowest level since…

A: 10. The random variable X is defined as the number of unemployed people which follows binomial…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.