Are you an impulse shopper?A survey of 800 grocery shoppers indicated that 53%of males and 44%of females make an impulse purchase every time they shop.Assume that the survey consisted of 400 males and 400 females. a.At the 0.05 level of significance , the value of the test statistic.

A survey is conducted to determine if there’s a significant preference for online shopping over traditional in-store shopping among a random group of individuals.From a sample of 100 individuals, the average preference for online shopping is 0.48, with a standard deviation of 0.03. The population mean preference is 0.50. Use a 5% significance level. Perform a one-tailed Z-test to calculate the p-value and make conclusions.

A new soft drink is being market tested. A sample of 400 individuals participated in the taste test and 80 indicated they like the taste. At a 5% significance level, test to determine if at least 22% of the population will like the new soft drink.What is the test statistic? Group of answer choices-.97-.74.79.47

Question 111 Point   Using table 1 from a previous question, what is the probability of selecting a female or married person?295/30050/300none of the above245/300Question 121 PointWhat is the Hypothesis Test of Proportion where the claim for a marketing campaign is that 0.65 clients respond, and you want to prove it is less. Your survey of 116 clients showed 80 respond. Test the hypothesis at a 5 % level of significance.What is the test statistic?1.640.6897.8954I scream whenever a great white shark attacks me, sometimes I scream in statisics exams, but mostly I scream when seaweed touches my foot.Question 131 PointWhat is the Confidence Interval for a random sample of 86, mean of 92, standard deviation of 17.48, and confidence of 0.82 ? Provide the UPPER confidence interval only. Format to 1 decimal places.Integer, decimal, or E notation allowedQuestion 141 Point  Table 1 : An insurance company has collected the following data on the gender and marital status of 300 customers.     Marital Status Gender Single Married Divorced Male 25 125 30 Female 50 50 20  What is the probability of selecting a male?150/300125/180none of the above150/18025/80Question 151 PointRegression StatisticsMulitple R -0.885923R Square   0.769832                 CoefficientsIntercept     9.0000Socks        -0.5000Given the above data, pick the best description below for the "coefficient of correlation".It is a good model where the independent variable, Socks, explains 76.9% of the dependent variable.It is negative, and indicates a strong direct relationship between variablesIt is positive, and a strong correlation between variablesIt is a positive model, and 76.9% of the dependent variable Socks is explained by the independent Y variable.Question 161 PointFor a Hypothesis Test of Proportion, the claim for a marketing campaign is that 0.65 clients respond, and you want to prove it is less. Your survey of 116 clients showed 80 respond. Test the hypothesis at a 5 % level of significance.For this question, what are the number of tails for this test?No tails.A bus station is where a bus stops, a train station is where a train stops, and I have a work station. Need I say more?2 tail1 tailQuestion 171 PointIn a binomial experiment using a sample of 30, you find the probability of getting pancreatic cancer if you drink more than 2 cokes a week is 0.2 . What is the expected value?.9558None of the above.98946Question 181 PointIf your mean is 1000, and your standard deviation is 50, then according to the empirical rule, the interval for 95% of the data would be1.00850 to 1150950 to 1050900 to 1100Question 191 PointMulitple R 0.32923 R Square   0.50832                  Coefficients Intercept     99.0000 Heels           -7.5000 Given the above data, what is the regression equation?y = 99 + 7.5(Heels)y = 99 - 7.5(Heels)r 2 = .508y = -7.5 + 99(Heels)Question 201 PointWhat is the probability of selecting a student AND a cat? Format to 2 decimal places. Cat Dog Totals Student 25 28 53 Professor 24 19 43 Totals 49 47 96 Integer, decimal, or E notation allowedQuestion 211 PointGiven you are male, what is the probability you have an Old product? Use 2 decimal places.   New product Old product Totals Male 26 14 40 Female 17 27 44 Totals 43 41 84 Integer, decimal, or E notation allowedQuestion 221 Point Mulitple R 0.32923 R Square   0.50832                  Coefficients Intercept     99.0000 Heels           -7.5000 Given the above regression equation on the discounted cost of high heels in pairs, if someone bought 2 high heels in pairs, what would they spend? (Provide your answer as a whole number).Integer, decimal, or E notation allowedQuestion 231 PointCalculate in a Normal Distribution Probability the probability of X being more than 258.84 with a mean of 293 and standard deviation of 32.23?  Use 3 decimal points.Integer, decimal, or E notation allowedQuestion 241 PointCalculate the Discrete Variance using these numbers: x = 0 P(X = x)= 0.12 x = 1 P(X = x)= 0.13 x = 2 P(X = x)= 0.04 x = 3 P(X = x)= 0.71 Format to 2 decimals. Integer, decimal, or E notation allowedQuestion 251 PointWhat is the Sample Size if the standard deviation is 8.8, error is within 2.99, and confidence level is 0.87 ?1004.456Take life with a grain of salt, then add a slice of lemon, and a shot of tequila.20

A department store has determined that 25% of all their sales are credit sales.  A random sample of 60 sales is selected.  The probability that the sample proportion will be less than 0.3 is                           .

A new soft drink is being market tested. A sample of 400 individuals participated in the taste test and 80 indicated they like the taste. At a 5% significance level, test to determine if at least 22% of the population will like the new soft drink. Group of answer choices.534.1660.824.5