Determine whether the value is a discrete random​ variable, continuous random​ variable, or not a random variable. a. The number of bald eagles in a country b. The height of a randomly selected giraffe c. The response to the survey question "Did you smoke in the last week?"

Assume that 1500 births are randomly selected and 1456 of the births are girls. Use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. Choose the correct answer below. A. The number of girls is significantly high. B. The number of girls is neither significantly low nor significantly high. C. The number of girls is significantly low. OD. It is impossible to make a judgment with the given information. Up Calendars Day Week Month Year Q Search January 2021 Sun Mon Tue Wed Thu Fri 4 7 11 12 13 14 15 10

Five pulse rates are randomly selected from a set of measurements. The five pulse rates have a mean of 70.4 beats per minute. Four of the pulse rates are 83, 75, 91, and 51. a. Find the missing value. b. Suppose that you need to create a list of n values that have a specific known mean. Some of the n values can be freely selected. How many of then values can be freely as beats per minute. a. The missing value is (Type an integer or a decimal. Do not round.) b. Select the correct choice below and fill in the answer box to complete your choice. (Type an expression using n as the variable.) O A. Of the n values, can be freely selected because the remaining value(s) must be equal to the known mean. O B. Of then values, can be freely selected because the remaining value(s) can be expressed in terms of the mean, median, and midrange of the assigned values. O C. Of then values, can be freely selected because the remaining value(s) can be expressed in terms of the assigned values and the known…

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a. Write the claim identifying H0 Ha B.find P value C. Decided whether to reject or fail d. Interpret the decision in the context

A categorical variable has three​ categories, with the frequencies of occurrence below. a. Compute the percentage of values in each category. b. What conclusions can you reach concerning the​ categories?   Category Frequency   A 9     B 26     C 15

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Shown below are the lengths in minutes of 6 randomly selected Disney movies. Use the data to compute each of the items requested. Don't forget to put units on your answers. Bambi 69 Cinderella 74 The Rescuers 78 Dumbo 64 Monsters, Inc 92 Wall E 98 What is the sample mean?

A set of five different whole numbers are arranged in order from smallest to largest. The firstand last numbers are decreased by one. Which measure of spread for the set could thischange?a. The range. c. The standard deviation.b. The median. d) all of the above