7. A die is tossed 21 times and lands 2 times on the number 3. What is the relative frequency of observing the die land on the number 3? Write your answer correct to 2 decimal places.
Q: 10. Explain what type 1 error is.
A: here type 1 error is occur when rejecting null hypothesis , actually null hypothesis is true
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A: Type 1 error Probability of rejecting the null hypothesis when it is true
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A: We need to use the concept of frequency distribution to answer question.
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- 12 of 15 > Calculate the standard deviation of the following set of numbers. Use the formula for the standard deviation (s) shown, where x represents the values, n is the number of values, and E is the summation symbol, which indicates that you should add the values. 1 S = n (n – 1 values: x1 = 11, x2 = 14, x3 = 8 Do not round your answers. Step 1. Calculate the square of each data value. x = x = Step 2. Determine n times the sum of squares of the three values.The numbers of students in the 10 schools in a district are given below. (Note that these are already ordered from least to greatest.) 169, 266, 277, 287, 291, 292, 311, 312, 320, 345 Send data to calculator Suppose that the number 169 from this list changes to 309. Answer the following. (a) What happens to the mean? O It decreases by O It increases by O It stays the same. It decreases by (b) What happens to the median? O It increases by It stays the same. I Don't Know Submit O2021 McGraw-Hill Education. All Rights Reserved. Terms of Use I Privacy I Accessibility esign MAE 1 ... 15 esc ! @ # $ 1 3 4 Q W tabRandomly selected birth records were obtained, and categorized as listed in the table to the right. Use a 0.01 significance level to test the reasonable claim that births occur with equal frequency on the different days of the week. How might the apparent lower frequencies on Saturday and Sunday be explained? Day Sun Mon Tues Wed Thurs Fri Sat Number of Births 44 64 65 60 58 56 41 Determine the null and alternative hypotheses. Ho: H1: Calculate the test statistic, y2. x2 = (Round to three decimal places as needed.) Calculate the P-value. P-value = (Round to four decimal places as needed.) What is the conclusion for this hypothesis test? O A. Fail to reject Ho. There insufficient evidence to warrant rejection of the claim that births occur with equal frequency on the different days of the week. O B. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that births occur with equal frequency on the different days of the week. O C. Reject Ho. There is…
- Edit question fast please. The lengths of Atlantic Croaker Fish are normally distributed with mean of 10 inches and a standard deviation of 2 inches. An Atlantic croaker fish is randomly selected. Find the 75th percentile for the length of Atlantic croakers. Write the probability statement followed by the function used on the TI and followed by the probability value. The middle 60% of the length of Atlantic croakers fall between what values. Write the two numbers rounded to 2 decimal places separated by a comma.How many prices are between $29.99 and $70?Please in detail explanation
- On a survey, 7 students reported how many minutes it takes them to travel to school. Here are their responses. 3, 8, 3, 6, 9, 14, 16 Send data to calculator Find the mean travel time for these students. If necessary, round your answer to the nearest tenth. |minutes ?38,44,44,47,56,59,62 Please find the standard deviation3) both photos are the same question