A fitness instructor wants to estimate the average number of steps his clients walk per day. She wants the estimate to have a margin of error of 269 , with a 95% confidence. The population standard deviation of the number of daily steps is known to be 1,903 .Determine the minimum sample size needed. (round up final answer to the nearest integer)

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Q: 5u + 3 at u=3 2.

A: We need to find 5u+32 at u=3. So,       5u+32=5(3)+32=182=9.

Q: b) Evaluate lim xe-. x →∞

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Q: The table below describes the smoking habits of a group of asthma sufferers. Occasional smoker…

A: To find: The probability that the person is a man or a heavy smoker.

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A: Given that  is the inequality .(a) P(2) isSince , P(2) is true.

Q: 16) The graph below represents the total cost, y, of parking for x amount of hours. A) What is the…

A: A graph representing the total cost 'y' of parking for 'x' amount of hours;

Q: Need help please

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Q: Need help

A: Given function:

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A: We have given that,  True proportion or probability (p) = 0.42 Then,  q= 1 - p = 1- 0.42 = 0.58 q=…

Q: 20, 19, 25, 27, 26, 21, 26, 19, 18, 16, 28, 19, 21, 23 1.0134986 Consider the sample: Q1. What is…

A: Here given that  Sample:   20,19,25,27,26,21,26,19,18,16,28,19,…

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Q: Probability & Sampling:Question 1 Tony's Pizzeria customers were asked what kind of pizza topping…

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Q: Set up, but do not evaluate, an integral for the area of the surface obtained by rotating the curve…

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Q: 5m² + m m + 6

A: Consider the given expression 5m2+mm+6

Q: Find the area of this parallelogram. Be sure to include the correct unit in your answer. 12 yd 13 yd…

A: area of parallelogram = 156 sq.yd   explanation is given in below step

Q: Reviewing Central Angles and Arc Measures Warm-Up Use the drop-down menus to complete the…

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Q: Tutorial Exercise Test the series for convergence or divergence. 6 6 6 6 6 + + 79 11 13 15 Step 1…

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Q: 1. If the expressions 3x+2, x^2,6x+3 whole numbers, find the value of x. forms an Arithmetic…

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Q: We have the following information about the random variables X and Y: 4 5 Cov(X,Y)= μχ = > 02/27 =…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.