How many patients were lost to contact?

Q: At a drug rehab center 23% experience depression and 38% experience weight gain. 12%

A: Given That, Let 'A' represent patient Experience depression          P(A)=0.23 Let 'B' represent…

Q: what is the average number of traffic accidents

A: Discrete series means where frequency  of a variable are given but the variable is without class…

Q: The table summarizes results from 985 pedestrian deaths that were caused by automobile accidents.

A: Solution: The given table of data is

Q: An IQ score for which 15% of the population has a higher score and 85% have a lower score…

A:

Q: To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes…

A: 16 State the hypotheses. That is, there is no evidence that the mean nicotine content exceeds 27.9…

Q: How many people at the clinic have blood type AB? Which blood type does the least number of people…

A: A survey is a method of collecting data from the respondents to collect information for the…

Q: in a survey of 3046 adults age 57 through 85 years, it was found that 85.7 of them use at least one…

A: From the provided information, Sample size (n) = 3046 aged 57 through 85 years 85.7% of them used at…

Q: 130 adults with gum disease were asked the number of times per week they used to floss before their…

A: Given that  130 adults with gum disease were asked the number of times per week they used to floss…

Q: A Sample of 25 cities have been classified as high or low on their homicide rates and on the number…

A: The formula for chi-square is, χ2=∑fo-fe2fe In the formula fo is the observed frequency, fe is the…

Q: How many factors are in a 4 x 2 ANOVA? How

A: How many factors are in a 4 x 2 ANOVA? How many cells?

Q: what is 63 million Americans under age 15 out of 314 million Americans in 2011?

A: Given, Americans under age 15 = 63 million               Total americans = 314 million

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: In a survey of 1536 adults, 36% responded "yes" to the survey question. How many adults answered…

A: From the provided information, Sample size (n) = 1536 36% responded “Yes” to the survey question.…

Q: What percentage of pets are Rabbits?

A:

Q: Is it more likely to hit the area in white or blue and by how much?

A: The area of the square is= 18×18=324  square inch The radius of the circle is= 2+3+3=8 inches So the…

Q: A survey reported that 10% of 1800 employees favored a new insurance program. How many employees…

A:

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: what is npr?

A: Permutation:The process of arranging the objects of a set in definite order is called as…

Q: of 90% with a sample

A: Given : Sample size = n = 19 Significance level, α =1- 0.9 = 0.1

Q: what percentage of bus drivers had 3 or more traffics acccidents

A: From the provided information, Sample size (n) = 700 Total frequency of 3 or more traffic accidents…

Q: if 540 people preferred walking and 900 people were surveyed how many people preferred running.

A: Given,    People preferred walking = 540 people surveyed are 900.   Calculations,    900 - 540 = 360

Q: How many scores are in the population?

A: here given, SS = 328 variance = σ2 = 8

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: In a recent survey of 180 people who drink coffee or tea, it was found that 137 drink coffee and 74…

A:

Q: . what percentage of females will be forced to look for new pa

A:

Q: Suppose that a survey asks 150 people about their driving habits. 66 people drove to work regularly,…

A:

Q: In a survey of 3121 people, 412 are under-vaccinated. What is the proportion of under-vaccinated…

A: Given data, Total no of people n=3121 No of people under vaccinated is x=412 What is the proportion…

Q: Deflation is..

A: Given, To define deflation

Q: In a survey of 3063 adults aged 57 through 85 years, it was found that 80.8% of them used at least…

A: Number of adults surveyed, n = 3063 And proportion of them used at least one prescription…

Q: 44 patients had high blood pressure

A:

Q: In a program designed to help patients stop smoking, 150 patients were given sustained care, and…

A:

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: What percentage of the widow Students are female

A:

Q: According to the given data, how many possible research paper combinations can be written about…

A: here given , The students in an eighth-grade Social Studies class were assigned a research paper.…

Q: How many performers earned exactly 1 star?

A: Given: Total number of performers, N = 140 Percentage of performers got 1 star = 15%

Q: A survey was conducted on a group of 190 students.

A: Given, a survey was conducted on a group of 190 students. 10 students are taking electrical,…

Q: On a recent survey, 60% of people said they preferred walking to running. If 540 people liked…

A: Number of people who liked walking = 540 Percentage of people who like walking = 60%

Q: If a coin is flipped 225 times and the number of Hs is 75. Compute the proportion of Hs. Round to…

A:

Q: What is population size?

A:

Q: how do you determine how many observations are in the first class of a stem and leaf chart

A: The objective is to infer the no. of observations (or frequencies) in the stem-and-left plot.

Q: many males are in the sample?

A: A survey of 500 people is shown in a tree diagram M-male F-female E-eat breakfast D-does do not eat…

Q: What percentage of the widow students are  female

A: Total widowed students=2+3=5Total female students who are widowed=3

Q: In a Harris poll of 2302 adults, 14% said they have a tattoo. Approximately how many adults have a…

A: Given information- We have given that in a Harris poll of 2302 adults, 14% have a tattoo. We have to…

Q: The 8 most common blood types of people in the United States, and the percentage of people with…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: In a group of 50 children, 11 cannot swim. What percentage can swim?

A: Givenno.of children in a group=50no.of children cannot swim=11

Q: Find the mean birth weight of these 35 babies

A: Here take  X = weight of baby at birth time = birth weight  f = number of babies  Use weighted mean…

Q: In a survey of a sample of 1050 teenagers, 17% said they like to watch soccer.

A: Given that  In a survey of a sample of 1050 teenagers , 17% said that they like to watch soccer.…

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