Suppose that you flip a coin 13 times. What is the probability that you achieve at least 5 tails?

Answers

Answer 1

Answer: Heads, or tails. It's 1/2 a chance, because either way you will either land heads or tails. It would be a probability of 1-(1/2)^5. Can you solve that?

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Mya and her 2 best friends have dinner at a restaurant. The billtotals $32, including tax. The friends leave an 18% tip and split
all costs equally. How much does each person pay?

Answers

Answer:16.6667

Step-by-step explanation:

Answer:

19.2

Step-by-step explanation:

7 find the value of the linear correlation coefficient r: the paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). cost 9 number 85 2 3 52 55 4 68 2 5 67 86 83 9 10 73 a) 0.708 b) 0.246 c) -0.071 d) 0.235

Answers

The value of the linear correlation coefficient, r, as calculated using Microsoft excel is: 0.708,

The linear correlation coefficient, r, using Excel spreadsheet

Step1: Open Microsoft excel spreadsheet

Step2: Entre the cost of advertising on one column, and the number of products sold on another column.

Step3: Select a blank cell and input the formula: =CORREL(B3:B10, C3:C10)

Step4: Press "entre" to get the value of the linear correlation coefficient.

Therefore, the value of the linear correlation coefficient, r, as calculated using Microsoft excel is 0.708.

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