Suppose Maureen turns in a late vote for giraffe.What is the new ratio of giraffe votes to rabbit votes.

Q: In order to have a margin of error of 2%, people should be surveyed.

A: we are given that 24% people consider summer as their favourite season (p) = 0.24 to find  number of…

Q: Students at Neilson Middle School are asked if they prefer watching television or listening to the…

A: Given that, The total number of students at Neilson Middle School is 150. The number of students,…

Q: A politician and her campaign need to survey the residents of a state for an upcoming imary. How…

A: Given that the confidence level is 99%. Margin of error(ME)=3.3%=0.033 The significance level is 1%.…

Q: $3.25 in dimes and nickels, were distributed among 45 boys.  If each received one coin, how many…

A: It is given that, $3.25 (in dimes and nickels) are distributed among 45 boys.

Q: The state of Ohio conducted COVID19 tests on 68,811 people, and 8,533 tested positive. What is…

A: We can find the sample proportion as below

Q: A survey shows that 3/5 Australian adults are overweight and 1/10 Australian adults are obese. What…

A:

Q: Of the 300 visitors polled,O liked to ski or snowboard. (Type a whole number.)

A:

Q: A researcher wants to find out the number of students he needs to urvey in a school provided that…

A: Given : total no pf students in a school  N=5000 with margin of error e=5%  To find sample size…

Q: A report says that the average amount of time a 10-year-old American child spends playing outdoors…

A: A report says that the average amount of time a 10-year-old American child spends playing outdoors…

Q: A recent issue of a national magazine reported that in a national public opinion survey conducted…

A: a) Sample: A subset or portion of the population that is actually obtained and used to draw…

Q: A researcher wished to estimate the difference between the proportion of users of two shampoos who…

A: Based on the provided information, the known values are: p1=78400=0.195p2=92500=0.184n1=400n2=500 In…

Q: If the sociologist can sample 100 women, what will the margin of error be?

A:

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: Suppose you randomly select a card from a deck of cards. What are the odds against drawing an ace?…

A:

Q: If a researcher measures two individuals on a ratio scale, then it is impossible to determine how…

A: Ratio scale is a form of quantitative variable measurement scale. Ratio scale makes it possible for…

Q: what are the odds against the paper for having the letter M written on it State your answer as a…

A: HERE from given information  All 11 letters from the word Mississippi are written on individual…

Q: lowing is the correct decision?

A:

Q: In a recent study, 46% of people enjoy country music.  If 200 people are surveyed about their…

A: Given : Proportion (prop.) of people enjoy country music p = 46% = 0.46 Sample size of people n =…

Q: What is the proportion of the total incidence of CHD in smokers that is attributable to smoking? Use…

A: Given Information: Total no. of participants=4560No. of Total smokers=2249No. of smokers having…

Q: A worker at a frozen yogurt store has 2 3/4 cups of frozen yogurt to give to customers as samples.…

A: We have to find no. Of samples , using all the frozen yogurt.

Q: re in favor of a new Green initiative ere in favor of the initiative. Round a fidence the proportion…

A: a) Given, sample size (n) = 556 x = 354 sample proportion (p^) = x/n = 354/556 = 0.6367 significance…

Q: If eight out of every fifteen trick-or-treaters that came to your house last Halloween were dressed…

A: Total number of trick and treaters is 15x. Total number of trick and treaters who were dressed as…

Q: For a science fair project, Barbara is trying to estimate the population of armadillidiidae bugs…

A: Given, Barbara traps 180 roly polies, marks them, and release them.  She then replaces the traps and…

Q: In a recent year, the most popular colors for light trucks were white, 30%; black, 17%; red, 14%;…

A: We have to use chi-square goodness of fit test. Hypothesis : H0 : p1 = 0.3,  p2 =0.17, p3=0.14,  p4…

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: What evidences suggests that the golden ratio and golden rectangle hold particular balance as well…

A: The golden ratio is the ratio of the larger quantity and smaller quantity. If a and b be the larger…

Q: 3. Write the appropriate null and alternative hypothesis in symbols to determine if the proportion…

A: The null and alternative hypotheses of first example Ho:p=0.20H1:p≠0.20  Null hypothesis: THe…

Q: Suppose a​ 10-in. circular pizza costs​ $4.00. To find the​ price, x, of a​ 14-in. circular​ pizza,…

A:

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 proportion of students either own an automobile or lives in a dor

A: From the given information, P(own an automobile)=0.60 P(lives in a dormitory)=0.20 P(own an…

Q: In 2013, 46% of high school students tried a tobacco product. From a survey of 500 randomly…

A: Given : Population proportion =46% n=500

Q: 100 patients with lung cancer and 100 patients without lung cancer were enrolled in a study. They…

A: Introduction: Odds ratio is the ratio of the odds of having an outcome of interest in the exposed…

Q: Suppose that a survey of five- year olds, 45% liked the letter A, 51% liked the letterB, and 48%…

A: Given that P(liked letter A)=45%=0.45 P(liked letter B)=51%=0.51 P(liked letter C)=48%=0.48 P(liked…

Q: Suppose that insurance companies did a survey. They randomly surveyed 450 drivers and found that 300…

A: Part a:          x = 300         n = 450         p' = 300/450 = 0.6667   Part b:  X is the number of…

Q: If the proportion of Heads is .25 out of 200 flips, what is the p-value? Round to three places.

A: Given : The proportion of Heads is .25 out of 200 flips.

Q: (a) If you toss the coin 10 times, it will come up heads 5 times. (b) If you toss the coin a very…

A: Here use basic concept of expectation and MOE

Q: How many performers earned exactly 1 star?

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

Q: 3. If there are six candidates, how many comparisons should be made?

A: As per our guidelines we are supposed to answer only one question.Kindly repost other question as…

Q: you rolled a six-sided die 60 times and got the following tally. 20 ones, 20 twos, 15 threes, 3…

A: For a fair die, there are six equally likely outcomes, {1, 2, 3, 4, 5, 6}. That is, probability of…

Q: If the proportion of Hs is .45 out of 200 flips, what is the p-value?

A: Solution-: Given : We find p-value=?

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: A poll of 1000 voters has Biden leading by 538 to 462. What will the pollster indicate as the…

A:

Q: In a Gallup poll of 1236 adult respondents, 6% said that bad luck follows breaking a mirror. That…

A: The margin of error expresses the amount of the random variation underlying a survey's results

Q: Suppose that the result of a public opinion poll shows that just 10% of people would be willing to…

A:

Q: Determine whether or not proportions of voters favoring the democrat candidate were the same in both…

A: Given  p1=populaion proportion of voters favoring democrat candidate in Alabamap2=population…

Q: If the proportion of Hs is .45 out of 50 flips, what is the p-value? Round to three places.

A: We have given that Sample proportion =0.45 Sample size (n)=50 flips  Population proportion p=0.5…

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: If five out of every eight trick-or-treaters that came to your house last Halloween were dressed as…

A: GIVEN: 5 out of every 8 trick or treaters that came to your house were dressed as cowboys.

Q: To determine the proportion of voters who favor a certain candidate for governor, the campaign staff…

A:

Q: Suppose that the results of a survey show that 28% of people consider summer as their favorite…

A: Given Data: p^=0.28 Let 'n' be the random sample Margin or error=0.06   Let us assume level of…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.