What is the magnification on any given ocular?

For an ANOVA from an experiment with four treatments, the alternative hypothesis is:  

A study looked at whether a treatment would change the rate of strokes for high-risk patients from the current level of 10%. What is the test statistic for a Z hypothesis test of

Consider an experiment on the dose-response rates between four antibiotics, W, X, Y, and Z applied randomly at the same concentration to cultured bacteria, and the percent reduction in the bacterial population was recorded.  The assumptions were met to use the ANOVA. The data were strong evidence of different population mean reductions across the four antibiotics (P

Based on data from the Vision Council, 21% of adults in the US require vision correction. If 8 adults are randomly selected from the US. The probability that exactly 2 of them require vision correction is (Fill in the numerical value. Round to one decimal place).           

A simple random sample of 49 women has a mean height of 63.5 inches and assumes the population standard deviation is 3.5 inches. The 99% confidence interval for the population mean is:

The table below shows the results for 120 rolls of a die. These results will be used to test if the die is fair. The null hypothesis would state that the population proportion for each result is:   Result 1 2 3 4 5 6 Frequency 24 14 28 18 20 16   (Fill in the numerical value. Report the value with 2 decimal places.) 

The table below shows the gender and selected drink of 100 persons randomly sampled to choose between two coffee drinks, A and B. The researcher wants to test: H0: Gender and drink choice are independent HA: Gender and drink choice are not independent   Drink A Drink B Men 25 20 Women 30 25 The observed chi square test statistic is:   (Fill in the numerical value. Report the value with 2 decimal places.)   

A one-sample t‐test is conducted with H A: population mean < 10. If t = –2.46 and df = 25, the p‐value is:

We have a box model which has a 50% chance of giving a ticket worth 75, a 20% chance of giving a ticket worth 95, and a 30% chance of giving a ticket worth 125. Which histogram above is most likely to be an empirical histogram for drawing 50 times from the box and taking the sample mean?