If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many hearts per hand can he expect? Between what two values would you expect the number of hearts to fall at least 75% of the time? *

Q: 4) Predict the acres per fire for a fire occurring in 2025. Is this a reliable prediction? Why or…

A: Note: Hey there! Thank you for the question. As you have particularly mentioned that you need help…

Q: The table shows data from a science fair experiment that studied the number of eggs that hatched at…

A:

Q: There is a 35% chance that it will be sunny tomorrow. What are the chances that it will not be…

A: Given Data: The percentage chances that it will be sunny tomorrow is: P=35% The percentage of…

Q: How smart is your phone? A random sample of 10 Samsung Galaxy smartphones being sold over the…

A: We have given that,  The data set is,  199, 169, 385, 329, 269, 149, 135, 249, 299, 249 standard…

Q: Suppose the profit the Honda dealership makes on the next 5 Accords it sells are: 443, 1,058, 766,…

A:

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: The formula for the sample size is as follows: Here,zα/2 is the critical value at 95% confidence…

Q: (a) What percentage of books last longer than 10 years? (b) What percentage of books last less than…

A: Given: The lifespan of all high school text book is approximately normal with μ=9 yearsσ=2.5 years

Q: invested in bonds. For a = .10, does the test show enough evidence to declare that the proportion of…

A: Given: Sample size, n = 215 x = 91 Population proportion, p = 0.57  significance level

Q: An Ectopic Pregnancy is twice as likely to develop when the pregnant women is a smoker as it is when…

A: The aim is to get the percentage of women having ectopic pregnancy are smoker.Let A be the event…

Q: On five exams, Rachel has a mean score of 80 points. Her lowest score was 50.  If this score is…

A:

Q: d) What proportion of people leave Vegas having lost between $200 and $800 (for a given year)?

A: (d) Obtain the Z-score for the random variable X equals 200. The Z-score for the random variable X…

Q: You flip a fair coin 16 times in the air. What is the relative frequency of this coin landing on…

A: One method for making information clear and easy to understand is to structure it in a frequency…

Q: Suppose in a single month a certain baseball team won 3 games and lost 21 what percentage of the…

A:

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: A survey conducted between January 1, 2001 and December 31, 2001 identified 3,240 cases of Type I…

A: Given:        Size of population = N = 4500,000        number of cases in 2001 =3240…

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

A:

Q: higher

A: Given: Sample size, n = 54 Sample mean, sm=29 Standard deviation, s=7.8 Suppose, level of…

Q: A sample of 125 light bulbs contained 3 defective bulbs. How many defective bulbs would you expect…

A: To calculate the number defective bulbs in the batch of 3000 light bulbs. A sample contains 125…

Q: What percentage of Births occurred among women between the ages of 40 and 42?

A: From the given table we have Total number of births = sum of all observation…

Q: "Nearly 35 in every 100 of Monaco's residents are millionaires. About 2,700 more millionaires are…

A: As per the guideline, only one question (or 3 subparts) can be answered at once. Kindly repost the…

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: 3. Suppose that you randomly picked 100 iPhones and calculated the average battery life for these…

A: The objective is to guess the average battery life of 100 iPhones.

Q: A survey asks: Which online services have you used in the last month: - Twitter Facebook - Have used…

A:

Q: A sample of 125 light bulbs contained 3 defective bulbs. How many defective bulbs would you expect…

A: Given infromation:A sample of 125 light bulbs contained 3 defective…

Q: What percentage ) What percentage of the people do not smoke? of the people do not exercise…

A: The data is given by   Smoke Do not smoke Total Exercise regularly 4 21 25 Do not exercise…

Q: An immunologist is interested in whether the number of symptoms of the flu a person first exhibits…

A: The test is to check whether the number of symptoms of the flu a person first exhibits is related to…

Q: For a team with 1318 turnovers in a season, find the expected number of wins in a season.

A: It is given that Regression equation of y on x is y = 102 - 0.05x

Q: Given a bag with 13 red marbles, and 42 blue marbles, what is the probability of pulling two…

A: There are 13 red marbles and 42 blue marbles.

Q: a skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p,…

A: It is given that the skeptical paranormal researcher claims that the proportion of Americans that…

Q: In many states, a 17% risk of a car accident with a blood alcohol concentration of 0.08 is the…

A: Since, it is given that in many states, a 17% risk of a car accident with ablood alcohol…

Q: College instructors who adopt this book are (we hope!) twice as likely to continue to use the book…

A: Consider the provided question, Let the problem be modeled as Markov chain with states Users (U) and…

Q: Suppose that in a survey of 1,000 U.S. residents, 721 residents believed that the amount of violent…

A: From the provided information, Number of residents = 1000 721 residents believed that the amount of…

Q: what is the predicted value for the return of GM given that the S&P500 return is 5% 2 The number of…

A: The regression equation is GM^=0.005860+0.904753S$P500.

Q: In a survey at a local university 52% of students say that they less than the recommended eight…

A: The problem concerns working out the percentages and interpreting .

Q: In a series of houses actually invaded by smallpox, 70% of the inhabitants are attacked and 85% have…

A: Suppose A & B be two events. Then we know, (A∪B)=(A)+(B)-(A∩B). Consider from the problem that,…

Q: It is bleieved that the percent of convicted felons who have a history of juvenile deliquency is…

A: Solution: State the hypotheses Null hypothesis: That is, the percent of convicted felons who have a…

Q: A survey found that in a sample of 100 families, 37 owned cats. A survey done 5 years ago found that…

A:

Q: In fall 2014, 34% of applicants with a Math SAT of 700 or more were admitted by a certain…

A: All the given data is shown in the tree diagram

Q: a. How many of the 125 people had resting pulse rates of more than 100? b. What percentage of people…

A: a. There are totally 125 people who had resting pulse rates. Count the number of dots that are above…

Q: In fall 2014, 38% of applicants with a Math SAT of 700 or more were admitted by a certain…

A: LetA - Percent math S A T score of less than 700 or more in all applicants.B – Percent math SAT…

Q: Wildlife biologist inspects 153 deer taken by hunters and find 32 of them carrying Lyme disease…

A: According to the provided information, n=153x=32p=xn=32153=0.209

Q: Which orchard has the highest rate of apples per tree?

A: Here it is given that the three apple orchards and each orchard has a different number of trees and…

Q: (a) What proportion of combined GRE scores can be expected to be over 163.4? (b) What proportion of…

A: mean = 150 s = 8.8

Q: Is seniority related to hourly wage? How does the specialist know? What hourly wage would the…

A: A sample of 21 individuals is collected , and a relationship between seniority and wages is studied.…

Q: 1. What percentage of batteries fail within the first 1541 hours of operation? 2. What percentage of…

A: Arrange the given data in an increasing order as shown below: 14 349 582 1278 2574 35 373 602…

Q: A survey shows that 3 out of 4 of those drink coffee in a town with a population is 7900 adults how…

A:

Q: On a recent Washington to London flight with 300 passengers, it was found that 100 passengers were…

A:

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A:

Q: D. 60 percent of all children spend at least how many hours per day unsupervised? hours.

A: Given that  X ~ N ( μ =  3 , σ = 1.5 ) μ = 3  , σ= 1.5 Formula for Z-score Z = ( X - μ ) / σ