Fill in the blanks: Write exact answers, except for the p-value. A company claims that each of their 3 colors of their candy appears in equal proportions. In a sample of 150 candies, 46 were blue, 53 were green, and the rest were red. Color Blue Green Red Test Statistic: x² degrees of freedom = p-value = Observed (O) 46 53 Expected(E) (round to 3 decimal places) (O-E) (O-E)² Do you have evidence against the claim that their proportions are accuate? Enter Y for yes and N for no. (0-E)² E

Stress at work: In a poll about work,  51%  of respondents said that their jobs were sometimes or always stressful. Eleven workers are chosen at random.What is the mean number who find their jobs stressful in a sample of  11  workers? Round the answer to two decimal places.

You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats.You sample 190 men, and 71 own cats.You sample 130 women, and 114 own cats.Find the test statistic, rounded to two decimal places

Suppose that 75%75% of college students prefer pepperoni on their pizzas. You took a sample of ?=150n=150 at your college and found that 70%70% said they want pepperoni on their pizzas. You want to know if your college is different from the rest at the 10%10% level. What is the ?P‑value for this test?

A researcher wants to determine the sensitivity of mammograms to determine how effective they are at diagnosing women who have breast cancer. Assume the researcher obtained the above results from a study, calculate and interpret the sensitivity of mammograms for detecting breast cancer.   Frequency of Breast Cancer Cases Frequency of Non-Cancer Cases Frequency of Individuals Who Screened Positive 17 5 Frequency of Individuals Who Screened Negative 8 77 Group of answer choices: a. A total of 66.67% of individuals who have breast cancer test positive for breast cancer when using a mammogram as the primary diagnostic test for breast cancer. b. A total of 68% of individuals who have breast cancer test positive for breast cancer when using a mammogram as the primary diagnostic test for breast cancer. c. A total of 70.59% of individuals who have breast cancer test positive for breast cancer when using a mammogram as the primary diagnostic test for breast cancer. d. A total of…

You want to see if it makes a difference which lane to be in when there is traffic. You randomly observe 372 cars as they pass by on the four lane freeway. The results are displayed in the table below. Use a level of significance of a = 0.10. a. Complete the rest of the table by filling in the expected frequencies: Frequency of Cars in Each Lane Outcome Frequency Expected Frequency Lane 1 89 Lane 2 90 Lane 3 92 Lane 4 101

What's the t= ? And the p-value?

The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35 and the sample statistics include n =1600 subjects with 576 saying that they smoked cigarette in the past week .Find the value of the test statistics ?

You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test

ou are doing a problem where you have a negative z-score, and you have to look up the proportion of the shaded area in the tail beyond that z-score; in other words, you are shading to the left from your z-score, and looking for the proportion that you shaded.  Four “proportions” are given below.  Which one is the ONLY one that could potentially be the number you are looking for?  (Hint: Think about what you know about proportions: What kind of number are they?  And what things can they represent?) Group of answer choices p = 0.3800 p = -0.1500 p = 1.1500 p = 0.5635