In a recent Super Bowl, a TV network predicted that 36 % of the audience would express an interest in seeing one of its forthcoming television shows. The network ran commercials for these shows during the Super Bowl. The day after the Super Bowl, and Advertising Group sampled 125 people who saw the commercials and found that 44 of them said they would watch one of the television shows. Suppose you have the following null and alternative hypotheses for a test you are running: H0:p=0.36 Ha:p>0.36 Calculate the test statistic, rounded to 3 decimal places

Q: In a recent Super Bowl, a TV network predicted that 30 % of the audience would express an interest…

A: Given,n=133x=42p^=xn=42133=0.3158H0: p=0.3H1 : p>0.3

Q: A well-known brokerage firm executive claimed that at least 52 % of investors are currently…

A: Given that,  x=33,n=69 The sample proportion is, Null and alternative hypothesis:

Q: In a recent Super Bowl, a TV network predicted that 29 % of the audience would express an interest…

A: We have to find out test statistics z value..

Q: Which pair of the hypotheses would be correct for the following claim: Claim: The percentage of…

A:

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given data, p=71% =0.71   State Null and Alternative hypothesis.

Q: meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period,…

A:

Q: In a recent Super Bowl, a TV network predicted that 27 % of the audience would express an interest…

A: Givensample size(n)=122x=38The null and alternative hypothesis is H0:p=0.27Ha:p<0.27

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: The proportion of high school seniors who felt that "getting rich" was an important personal goal…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A:

Q: n a sample of 120 children selected randomly from one town, it is found that 18 of them suffer from…

A: Given: The hypothesis for the proportion of children different from asthma is different from 13%.

Q: A company selling home furnaces claims that installingtheir new high efficiency furnace will “cut…

A: Here,the company claims that their new furnace has the ability to cut the heating bill in half.Let b…

Q: An economist has collected data on the number of house foreclosures. The published share of housing…

A: Given Claim Claim :- economist believes, that the share of housing units with a foreclosure filing…

Q: In a recent Super Bowl, a TV network predicted that 45 % of the audience would express an interest…

A: From the provided information, Population proportion (p) = 0.45 The hypotheses can be constructed…

Q: A hospital director is told that 32%of the emergency room visitors are uninsured. The director wants…

A:

Q: According to a University Center for Logistics Management, 11% of all merchandise sold in the United…

A:

Q: A well-known brokerage firm executive claimed that at least 37 % of investors are currently…

A:

Q: In a recent Super Bowl, a TV network predicted that 43 % of the audience would express an interest…

A: Consider that p is the true proportion of audience, who would express an interest in seeing one of…

Q: In a recent Super Bowl, a TV network predicted that 35 % of the audience would express an interest…

A:

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: It is given that, The proportion of high school seniors who felt that "getting rich" was an…

Q: H0:p=0.41 Ha:p≠0.41 Calculate the test statistic, rounde

A: Let x be the random variable such that the number of people who said they would watch one of the…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given thatA decade-old study found that the proportion of high school seniors who felt that "Getting…

Q: In a recent Super Bowl, a TV network predicted that 17 % of the audience would express an interest…

A: Let x be the number of people would watch one of the television shows. Here, x=31 and n=141 people…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given that  p=72%=0.72 Null hypothesis=H0  , Alternate hypothesis=H1

Q: ng habits of adults in a certain region of the country are in the same proportion as the general…

A:

Q: In a recent Super Bowl, a TV network predicted that 58 % of the audience would express an interest…

A: Given n=53 x=33

Q: A well-known brokerage firm executive claimed that at least 84 % of investors are currently…

A: The provided information are:

Q: In a recent Super Bowl, a TV network predicted that 34% of the audience would express an interest in…

A: The hypotheses are given below: Null hypothesis: H0: p=0.34. Alternative hypothesis: Ha:p>0.34.…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: From the provided information, The proportion of high school seniors who felt that “getting rich”…

Q: recent Super Bowl, a TV network predicted that 50 % of the audience would express an interest in…

A: Here from the given information we want to find the Z test statistics.

Q: A well-known brokerage firm executive claimed that at least 36 % of investors are currently…

A: It is given that the A brokerage firm executive claimed that at least 36 % of investors are…

Q: a researcher uses a sample of n=25 individuals to evaluate the effect of a treatment. the hypothesis…

A: From the provided information, Sample size (n) = 25 Level of significance (α) = 0.05 The value of…

Q: Members of the city council want to know if a majority of city residents supports a 1% increase in…

A: Since the value p-value is significantly large P-value=0.18 hence we will not be able reject the…

Q: Which of the following pair of hypotheses is appropriate for testing if the proportion of high…

A: Given: Population proportion P = 0.69 Sample size n = 30 Number of favourable X = 17 Formula Used:…

Q: ppose you are have the following null and alternative hypotheses for a test you are running:…

A: Given that  A TV network predicted that 54 % of the audience would express an interest in seeing one…

Q: The worldwide market share for a web browser was 20.1​% in a recent month. Suppose that a sample of…

A:

Q: A dental assistant is interested in the proportion of patients that need a root canal. Let the…

A: The assistant wanted to know if the proportion of patients that need a root canal is more than 20%.…

Q: 11. On average, what value is expected for the t-statistic when the null hypothesis is true? а. О b.…

A: We have given that the statement for the t-shirts statistic when the null hypothesis is true.

Q: A researcher is wondering whether the drinking habits of adults in a certain region of a country are…

A: Here n = 150 , p = 0.26. In order to use normal approximation, sample must satisfy following…

Q: If a treatment is expected to increase scores in a population with µ = 35, then the null hypothesis…

A: From the provided information, A treatment is expected to increase scores in a population with µ =…

Q: A decade old study found that the proportion of high school seniors who felt that getting rich was…

A: Solution: The hypothesis could be classified into two types  1) Null hypothesis   and 2) Alternative…

Q: In a recent Super Bowl, a TV network predicted that 73 % of the audience would express an interest…

A: The random variable who watch one of the television shows follows normal distribution. X ~ B (n, p)…

Q: In a recent Super Bowl, a TV network predicted that 84% of the audience would express an interest in…

A: The provided information is  x=49 n=61 The sample proportion is p^=xn=4961=0.803The null and…

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given,   Claim: Suppose that we have reason to believe that this proportion has changed, and we wish…

Q: For a one-tailed hypothesis test with α = .01 and a sample of n = 28 scores, the critical t value is…

A:

Q: A well-known brokerage firm executive claimed that at least 39 % of investors are currently…

A: Given that out of 99 randomly selected people, 38 of them said they are confident of meeting their…

Q: In a recent Super Bowl, a TV network predicted that 73 % of the audience would express an interest…

A:

Q: A decade-old study found that the proportion of high school seniors who felt that "getting rich" was…

A: Given :

Q: In a recent Super Bowl, a TV network predicted that 41 % of the audience would express an interest…

A:

Q: n a recent Super Bowl, a TV network predicted that 74 % of the audience would express an interest in…

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.