The Ice Chalet offers dozens of different beginning iceskating classes. All of the class names are put into a bucket. The 5 P.M., Monday night, ages 8 to 12, beginning ice-skating class was picked. In that class were 66 girls and 14 boys. Suppose that we are interested in the true proportion of boys, ages 8 to 12, in all beginning ice-skating classes at the Ice Chalet. Assume that the children in the selected class are a random sample of the population.  state the estimated distribution of x  x~ (____,____)

Q: A group of students were surveyed about the number of siblings they have. The frequencies and…

A: Solution: From the given information, the table of frequencies and relative frequencies of their…

Q: Frank Catton, the general manager of Billybob's floating raft hotel and casino in Tunica…

A:

Q: Listed in the table below are the selling prices, number of bedrooms, number of full baths, and…

A: From the information, given that Let Y denotes the sale priceLet X1 denotes the number of…

Q: A survey of 1210 parents of 13-to 17-year-olds found that 658 of the 1210 parents have checked their…

A: The population is the collection of responses of parents of 13 to 17 years olds.

Q: Chipper Jones was the Major League Baseball league leader in 2008 according to batting average. For…

A: The random variable X defines the number of bases.

Q: For each of the hypothetical data sets, determine whether a bar graph or a pie chart would be an…

A: In general, the most common charts used for visualizing the data are bar charts and pie charts.

Q: 365 people were surveyed as they left a basketball game at the Tucker center and the results were as…

A: Let us denote:M=Marist game, B=Butler game, N=NC State gameGiven that:n(M)=150, n(B)=205,…

Q: Kala has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via…

A: There are two independent samples which are 10 Freeway and 60 Freeway. We have to test whether the…

Q: If you have a study in which 50 participants are randomly assigned to one of the three groups, the…

A: Given  k=3,b=50 We want to find dfwithin

Q: Students have been asked to describe their politics as "Liberal”, "Moderate", or "Conservative". The…

A: The data for two categorical variables as politics and gender are given…

Q: At a pow-wow, 98 families came to participate in the ceremonies. A coordinator of the pow-wow took a…

A: Given survey:19 families brought food, costumes, and crafts;31 families brought food and crafts;53…

Q: Parking at a university has become a problem. University administrators are interested in…

A: Introduction: The study is conducted by the university administrators to understand how the parking…

Q: The lottery commissioner's office in a state wanted to find if the percentages of men and women who…

A: It is given that the sample of 490 men, in that 150 play the lottery often and the sample of 315…

Q: Colin drew a line of best fit for a set of data points on a scatter plot. Which statement is true…

A: In this question we have to conclude which statement is true.

Q: survey of college students asked them about the mode of transportation they used to travel to…

A: Given that  240 students drove a car to school, 30 students rode a bike, 50 students took the bus,…

Q: Complete parts a and b below. Male Female Count Extremely important Very important Somewhat…

A: The number of male who thinks high paying job is very important to them personally will be: Number…

Q: Carry out a hypothesis test to determine if the mean rating assigned to the wine when the cost is…

A: Let μd be the mean difference between cost $90 and cost $10. The test is that the mean rating…

Q: 40% of all people have cooties. 30% of all people play pattiecake and have cooties. What percent of…

A: Conditional probability is the chance of occurrence of an event given that another event has already…

Q: NAME: Period: Team Seat #: 1-70. Imagine that you have a bag containing 10 marbles of different…

A:

Q: Use the following information to answer the next 16 exercises: The Ice Chalet offers dozens of…

A: Defines that p is true proportion of of girls in the ages 8 to 12 beginning ice-skating classes at…

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 555 were…

A: Given data, Total number of nurses=800 in which Health club member nurses =430 Smokers nurses =555…

Q: Giving à test to a group of students, the grades and gender are summarized below B. C Total Male 10…

A: Given data: The grades and gender of a group of students is given in the provided contingency table.…

Q: port club, there are 70% males’ members and 30% females’ members. 60% of males play football and 40%…

A: Given: In a sport club, there are 70% males’ members and 30% females’ members. 60% of males play…

Q: Residents in a city are charged for water usage every three months. The water bill is computed from…

A: INTRODUCTION :   HISTOGRAM: The Histogram is often useful to represent a frequency distribution…

Q: Rayann conducted a survey of the cars in four parking lots and wrote the following observations: 15…

A:

Q: Use the following area diagram: Y N N N Y N Y Y Y Y If 120 students are surveyed concerning their…

A: Given: Area diagram

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: After all her students did poorly on their first Science exam, a teacher doubled the amount of…

A: It is needed to determine the appropriate testing procedure for the given scenario.

Q: A study investigated whether price affects people's judgment. Twenty people each tasted six cabernet…

A: The paired t- test formula is given by         t=∑dn∑d2-∑d2n-1 where, n = sample size            ∑d…