21 Answered Questions for the topic Test Preparation - ACT Math

Test preparation act math Test Preparation Statistics

05/12/21

The null hypothesis (H0) should always be equal to something?

True orFalse
Test preparation act math Test Preparation Statistics

04/20/21

Complaints about poor service led the Department of Motor Vehicles to investigate wait times at a local branch.

Complaints about poor service led the Department of Motor Vehicles to investigate wait times at a local branch. During one week, DMV employees randomly asked 50 people leaving this branch how long... more
Test preparation act math Test Preparation Statistics

04/20/21

A random sample of size 975 is drawn from a large population. The population standard deviation is 18.

A random sample of size 975 is drawn from a large population. The population standard deviation is 18. The sample mean is 69.2. Find a 99% confidence interval for the population mean, πœ‡.(a) 66.7... more
Test preparation act math Test Preparation Statistics

04/20/21

Help me please! Urgent! TV network executives are planning their coverage of the next Summer Olympics.

TV network executives are planning their coverage of the next Summer Olympics. They randomly selected 675 people and asked them to name their favorite discipline in the Summer Olympics. In this... more
Test preparation act math

04/19/21

how would i completely factor 8x^2-28x-60

Test preparation act math

04/19/21

how would i completely factor 8x^2-28x-60

Test preparation act math Test Preparation Statistics

04/05/21

Finding new customers An online retailer wants to estimate p = the proportion of all orders in a given week that are from new customers.

Finding new customers An online retailer wants to estimate p = the proportion of all orders in a given week that are from new customers. He takes an SRS of 40 orders and finds that 12 of them are... more
Test preparation act math Test Preparation Statistics

04/05/21

Finding z, Use Table A or technology to find the critical value z* for a 99.9% confidence interval.

Finding z, Use Table A or technology to find the critical value z* for a 99.9% confidence interval.{A} 3.339{B} 2.392{C} 3.291{D} none of the above
Test preparation act math Test Preparation Statistics

04/05/21

Finding z, Use Table A or technology to find the critical value z* for a 93% confidence interval.

Β Finding z* Use Table A or technology to find the critical value z* for a 93% confidence interval. Assume that the Large Counts condition is met.[a] 2.282[b] 1.812[c] 0.812[d] none of the above
Test preparation act math Test Preparation Statistics Intervals

03/31/21

SUPER URGENT. Each year, the high school guidance counselors conduct a survey to estimate proportion...

each year, the high school guidance counselors conduct a survey to estimate the proportion of students at the school who cheat on their homework. Based on a random sample of 300 students from the... more
Test preparation act math Test Preparation Statistics Intervals

03/31/21

A health magazine reported that 27% of adult males smoke cigarettes.

A health magazine reported that 27% of adult meals smoke cigarettes. A competing magazine thinks this claim is false. To test this claim, they select 40 adult meals at random and record if they... more
Test preparation act math Math

01/04/21

Help me plz!!!!

Four runners start at the same point; Lin, Elena, Diego, Andre. For each runner write a multiplication equation that describes their journey.Lin runs for 25 seconds at 8.2 meters per second. What... more
Test preparation act math Math Test Preparation Algebra 1

10/20/20

solving the equation is so much easier than having to build it by a word problem :(

A scientist needs 10 liters of a 20% acid solution for experiment, she only has a 5% solution and a 40% solution. To the nearest 10th of the liter, about how many liters of the 5% and the 40%... more
Test preparation act math Math Test Preparation Algebra 1

10/14/20

test preparation πŸ’†πŸ»β€β™€οΈπŸ’†πŸ»β€β™€οΈ

a scientist makes an acid solution by adding drops of acid to 1.2 L of water. the final volume of the acid solution is 1.202 L, assuming the volume is each drop is 0.05 mL, how many drops were... more
Test preparation act math Math Test Preparation Calculus

10/14/20

test preparation πŸ’†πŸ»β€β™€οΈπŸ’†πŸ»β€β™€οΈ

there are 9 bottles in devins refrigerator. he adds 3 full boxes of water bottles to the refrigerator, then he adds 2 more boxes that each has 1 fewer bottle than a full box, when he’s done there’s... more

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