21 Answered Questions for the topic Test Preparation - ACT Math
05/12/21
T or F? The null hypothesis (H0), is the claim about the population that we weigh evidence against in a statistical test.
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05/12/21
The null hypothesis (H0) should always be equal to something?
True orFalse
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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...
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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.(a) 66.7...
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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...
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Test preparation act math
04/19/21
how would i completely factor 8x^2-28x-60
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Test preparation act math
04/19/21
how would i completely factor 8x^2-28x-60
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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...
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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
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
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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...
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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...
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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...
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Test preparation act math
12/10/20
Yolanda spent $22 on fruit at the grocery store. She spent a total of $55 at the store. What percentage of the total did she spend on fruit?
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%...
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10/14/20
test preparation ππ»ββοΈππ»ββοΈ
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...
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10/14/20
test preparation ππ»ββοΈππ»ββοΈ
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 heβs done thereβs...
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Test preparation act math
12/05/19
The distance on a map between two locations is 2.25 inches. If 1 inch = 24 miles, what is the actual distance between the two locations, in miles?
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At the local grocer, 3 apples and 5 oranges cost total of $6.20. 7 apples and 4 oranges cost a total of $7.95. What is the cost of one apple and one orange?
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