06/14/21

A circle has center (6, 2) and radius 9. Find all values of such that (x, - 1) is a point on the circle.
A circle has center (6, 2) and radius 9. Find all values of such that (x, - 1) is a point on the circle.
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06/14/21

what is the surface area of a width of 12 a height of 15 and a length of 18
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06/14/21

statistics, show complete solution
The mean height of 385 students is 163 cm,the standard deviation is 10 cm. Assuming that the heights are normally distributed,what percent of the height are greater than 170 cm and how many... more
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06/11/21

I have a headache and I am so stressed. Can I please get some help as soon as possible?
Identify the data set which represents a direct variation.A.)  B.) C.) D.) 
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06/11/21

Hello. My homework is due in 1 hour. Please help me this is so difficult please as soon as possible please.
 A.) 390 m2B.) 39 m2C.) 309 m2D.) 319 m2
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06/11/21

Statistics probability

Use a normal approximation to find the probability of the indicated number of voters. In this​ case, assume that 144 eligible voters aged​ 18-24 are randomly selected. Suppose a previous study... more
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06/11/21

Hi. I am new and I need immediate assistance with my homework please
Question 1: Eight different coffee mugs have to be arranged in a showcase. How many different arrangements are possible?A.) 50,000B.) 40,320C.) 30,760D.) 40,000 Question 2: Tina has 20 rings. In... more
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06/11/21

I’m so stressed and tired please help me please with my math homework as fast as possible
Question 1: Identify a possible explicit rule for the nth term of the sequence 5, 3, 1, −1, −3, ….A.) an = 2n + 3B.) an = n + 4C.) an = 7 − 2nD.) an = 2n + 1Question 2: Identify the 7th term of the... more
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06/11/21

Please help and solving with a calculator would be preferable! Thank you !
The life of a radio shack player is normally distributed with a mean of 3.3 years and a standard deviation of 0.8 years. Radio shack guarantees its record players for 2 years. Find the probability... more
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06/11/21

. Air is pumped to fill a spherical balloon. Each time air is pumped, 300cm3 of air enters the balloon. How many times would someone need to pump the balloon to get it to fill to a radius of 10cm?
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06/11/21

What is the distribution of x.
suppose the random varible x has a binomial distribution with p>.5 then the distribution of x isa) skewed to the leftb) skewed to the rightc) normal distributiond) symmetric
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06/11/21

Help with statistics please
Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 15. Find P40, which is the iq score seperating the bottom 40% from the top 60%. Round... more
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06/10/21

The ratio of boys to girls in the 9th grade is 5 to 6. There are 312 girls. How many boys are there?
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06/10/21

Problem on bivariate probability distribution

Suppose the bivariate probability distribution of a random vector ( X,Y) is given according to the distribution in the following table ... more
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06/10/21

Two angles are vertical, one has a degree measure of 142 and the other has degree measure of 7+2x. Find x
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06/10/21

Statistics question (MA 238 ASSIGNMENT)
Q10. Students in MA238 spend on average 3.75 hours a week studying (with a population standarddeviation σ = 5.17).(i) Given this fact, describe the sampling distribution of the mean if all possible... more
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06/10/21

Using a standard deck of cards, what is my probability that I choose a red card, put it back, then I choose a 7
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06/10/21

Hello please please respond. I know it’s late but I need help with my math homework as soon as possible please I’m so desperate

Question 1: Identify the variance and the standard deviation of the given data set.{7, 8, 6, 3, 4, 12, 14, 10} A.) variance: 12.75 standard deviation: 12.75 B.) variance: 7.2 standard deviation:... more
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06/09/21

A tobacco company claims that its best-selling cigarettes contain at most 40 mg of nicotine.

This claim is tested at the 1% significance level by using the results of 15 randomly selected cigarettes. The mean is 42.6 mg and the standard deviation is 3.7 mg. Evidence suggests that nicotine... more
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06/09/21

Hi! please help me solve my homework
The monthly income of the workers at the Microsoft plant are distributed normally. Suppose the mean monthly income is P30,000 and the standard deviation is P5,000. 20% of workers earn how much per... more
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06/09/21

Box and whisker plot
The following box-and-whisker plots represent the average high temperatures (in °F) for two cities in the United States. Determine the approximate median, range, and interquartile range for the... more
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06/09/21

Describe the relationship between the number of tosses and the probability?

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06/08/21

Statistics Question Help!
a) Create a scatter plot of time spentwatching television versus number ofbooks owned.The x value or independent value is the number of books owned, and the y value or dependent value is the hour... more
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06/08/21

Two samples are taken with the following numbers of successes and sample sizes
Tow samples are taken with the following numbers of successes and sample sizesr1 = 40r2 = 32n1 = 69n2 = 85Find a 91% confidence interval, round answers to the nearest thousandth.___ < p1 - p2... more
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06/07/21

SIMILAR TRIANGLES

Find the indicated side of each pair of similar triangles. *show your work*1) Triangle ABC: side BC = 1 Triangle DEF: side EF = 3. If side AC = 2, find side DF.2) Triangle JKL: side JK =... more
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