Out of 300 people sampled, 204 had klds. Based on this, construct a 95% confidence Interval for the true population proportlon of people with kids. Glve your answers as decimals, to three places

Q: Given the probability density function f(x)=16f(x)=16 over the interval [4,10][4,10], find the expec...

A: Given- f(x)=16 ;     4,10 Expected Value E(x)=∫xf(x)dx=∫410x×(16)dx=16x22410=16100-162E(x)=7 Mean...

Q: A researcher conducted a t-test for independent samples to evaluate the mean difference between two ...

A:

Q: Which primary scales do we call ‘categorical data’?   a. Interval, ordinal   he probabil...

A: The primary scale which we call a categorical data is Ordinal scale.  

Q: sixty gym members were randomly selected and their weights were recorded and inputted into MINITAB. ...

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to ou...

Q: f) Test the claim that µ = 15. Provide a sketch of the Critical Value. Evaluate the Test Statistic a...

A: Given data: 40, 33, 77, 12, 23, 56, 23, 19, 29. To test the claim that μ=15.   State the Hypothesis ...

Q: A recent survey of 6 social networking sites has a mean of 15.9 million visitors for a specific mont...

A: Given Data: Sample mean (x )=15.9 Standard deviation (sd)=3.3 n=6   We know that x-μsd/n~ tn-1

Q: Please solve in bold: According to Masterfoods, the company that manufactures M&M’s, 12% of pean...

A: Given information P (Brown peanut) = 0.12 P (Yellow peanut) = 0.15 P (Red Peanut) = 0.12 P(Blue pean...

Q: student in a class were given two tests for evaluation twenty-five percent of the class passed both ...

A: Given: A: Student passes the first test. B: Student passes the second test. twenty-five percent of t...

Q: Ans Q2  Part 1, part 2, part 3

A: I believe the given data set is ,  And it's same for all the above three sub parts.  

Q: An automobile owner found that 20 years ago, 76% of Americans said they would prefer to purchase an ...

A: 76% of Americans said they would prefer to purchase an American automobile.  Random sample of 56 Ame...

Q: What is the probability that the principal source of payment for a given hospital discharge is the p...

A: The probability that the principal source of payment for a given hospital discharge is the patient’s...

Q: Find z such that 56% of the standard normal curve lies between −z and z.

A: Draw the normal curve and shade the area between -z and z under the normal curve.

Q: You have an SRS of size 51 and calculate the one-sample t statistic. What is the critical value t* s...

A: Given information Sample size n = 51 Degrees of freedom = 51 – 1 = 50 Significance level = 0.02

Q: What price do farmers get for their watermelon crops? In the third week of July, a random sample of ...

A: Since we know population standard deviation, use z-distribution to find z-critical value. Find z-cri...

Q: Statistics Question

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: Help please.

A:

Q: The monthly incidence of necrotizing fasciitis in the U.S. is 50 cases. The population of the U.S. i...

A: Solution: It is given that the monthly incidence of necrotizing fasciitis in the U.S. is 50 cases. I...

Q: The following table represents the probability of the number of cars owned by a college student. Giv...

A: 0 0.45 0 0 0 1 0.35 0.35 1 0.35 2 0.12 0.24 4 0.48 3 0.08 0.24 9 0.72        

Q: A birth weight of less than 3.25 pounds is classifie by the NCHS as a very low birth weight. What is...

A: a. The random variable X is defined as the birth weight. A birth weight of less than 3.25 pounds is ...

Q: Suppose x has a distribution with μ = 86 and σ = 8. Find P(82 ≤ x ≤ 87)

A: Mean = 86 Standard deviation = 8

Q: Trials in an experiment with a polygraph include 97 results that include 22 cases of wrong results a...

A: Given Information: Significance level α=0.01 Correct results (x) = 75 Sample size (n) = 97. p0=0.80 ...

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 11.1 inches...

A:

Q: The advertised weight is 2.13 ounces , the mean is 2.2 ounces and the standard deviation is 0.04 oun...

A: P(X < 2.13) = = P(Z < -1.75)= 0.0401 or 4.01%

Q: Athletes performing in bright sunlight often smear black eye grease under their eyes to reduce glare...

A: Given data, 0.06      0.63      −0.12      −0.06      −0.18      0.15      −0.16    ...

Q: Describe the sampling distribution of p. Assume the size of the population is 20,000. n= 600, p = 0....

A:

Q: Determine whether the following value is a continuous random​ variable, discrete random​ variable, o...

A:

Q: A report by the Gallup Poll stated that on average a woman visits her physician 5.8 times a year. A ...

A: (a) Here, the value of α is provided. Hence, the two possible answers are α is provided and Asks if ...

Q: see attached

A: Given that, The test statistic z=-3.29 Hypothesis: H0:p=35 H1:p≠35

Q: 2.  You draw two cards while playing Blackjack from a standard deck of 52 cards without replacing th...

A: Part a: The two cards are drawn without replacement, thus each card can be selected only once. The p...

Q: 6

A: Given that, n=400,p=0.80 (a) The expected number of adult smokers to have started smoking before tur...

Q: please see attach question

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to ou...

Q: 22

A: Given that, p-value = 0.32 Right tailed test

Q: A professor had students keep track of their social interactions for a week. The number of social in...

A: Number of Social Interactions Frequency 45​-49 9 50​-54 13 55​-59 17 ...

Q: A market researcher would like to know how much time the typical teenager spends playing video games...

A:

Q: You are conducting a study to see if the probability of catching the flu this year is significantly ...

A:   A hypothesis is said to be right-tailed if the population parameter is greater than some hypothesi...

Q: The data below are the weights (in Ibs) and heights (in inches) of some members of FSU's Dept of Sta...

A: Let 'y' be the weight of the members and 'x' be their height. The linear model to predict weight fro...

Q: see attached

A: Let  μ be the population mean pulse rate of adult males 

Q: The results: A. Are, or B. Are not   significantly: A. High, or B. Low   so there: A. is, or B. is n...

A: Here you are given that claim Most adults would not erase all of their personal information online i...

Q: Find the z-score such that the area under the standard normal curve to the left is 0.25. |is the z-s...

A: To find the critical z value, use the standard normal table to find the z-score which cuts off an ar...

Q: What is false discovery rate? How is this calculated?

A: The false discovery rate is the ratio of number of false positive results to the total number of pos...

Q: Create a 99% Confidence interval for the mean. Provide a sketch of the critical value and calculate ...

A: Here you're given the following data set. Given : Population standard deviation , σ = 23.8. And a...

Q: The 77th percentile is O.

A:     X~N(50 ,49)Let Q be the 77th percentile .P(X<Q) =0.77⇒P(X-507<Q-507) = 0.77⇒ϕ(Q-507)  = ϕ(...

Q: Answer this

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: A fitness company is building a 20-story high-rise. Architects building the high-rise know that wome...

A: Let X be the heights of the men working for the company. Given, X ~ N(180, 342) Then x follows a nor...

Q: Research has shown that people are more likely to show dishonest and self-interestedbehaviors in dar...

A: a) The sample mean for well lit room (X1) is obtained below: Thus, the sample mean well lit room (X...

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 17.8 inches...

A:  

Q: The ones in the parenthesis will say the concept of rounding off. For example: (in 1 decimal place) ...

A: Class interval Frequency <CF 0-99 1 1 100-199 51 52 200-299 90 142 300-399 10 152 400...

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.