Class interval Frequency (f) < cf LB 90-94 85-89 80-84 75-79 7 13 50 43 89.5 84.5 16 30 79.5 74.5 14 14 70-74 69.5 N= 50 1. Ds = 82.3125, the Ds class is the class interval 80- 84. It means that 2. Qi = 78.96, . 10- Granite students got a grade less than or equal to 75-79. 3. Pes = 85.46, the Pes is the class interval 85- 89. It means that It means that 25% of Grade

Use a graphing utility to evaluate „Pr. 40P3

Claim: The proportion of people who smoke is equal to 0.19. Identify a Type I error for the claim made above.

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to Calcu on 1.2 Signit Bb My Bl Digita ng.ce 2/2 Week et02-xythos.content.blackboardcdn.com/5fcfbb471fe01/26129793?X-Blackboard-S3-Bucket-learn-us-east-1-prod-fleet... 100% + HOME Cenga Bly Do-M P Do Ho 4. Write the equation of a line containing the point (5, 150) with slope m = Write your line in slope-intercept form. MacBook Air 5. Write the equation of a line containing the points (-4, 5) and (3, -2). Write your line in slope- intercept form.

Suppose P(A) = 0.42, P(B) = 0.48 and P(A and B) = 0.10. Find P(Bc | Aº) : = Question Help: Add Work Submit Question Video (round your answer to three decimal places)

A taxi business owner is determining the type of tires for his cars for efficiency the fuel can be increased. Twelve cars were tested using type A tires and asked to travel on a certain route. The same car and driver, then do the same route and the same road conditions with type B tires. Fuel consumption (km/liter) is then recorded as (enclosed). Note: • Use the last digit of your ID (2602296545) in place of a value; • If the last digit is 0 then it is changed to 1; Example: ID 1234567890 → 1 Can we conclude that a car with type A tires has material consumption fuel better than a car with type B tires? Assumed population normally distributed and α=5%. a. Define a hypothesis statement for the case. b. Perform statistical test calculations. c. Give a conclusion from the results of these calculations.

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