Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Researchers want to test the effectiveness of a new pain medication. Four hundred people were recruited to participate in the clinical trial. In clinical testing, 55 out of 239 people taking the medication reported pain symptoms. Of the other 161 people receiving a placebo, 124 reported pain symptoms. Combining the two samples together, what is the overall proportion of those who reported pain symptoms among all participants?

  • 0.19
  • 0.34
  • 0.45
  • 0.47

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M92074513
  • Price:- $10

Priced at Now at $10, Verified Solution

Have any Question?


Related Questions in Statistics and Probability

Waterton lakes national park in alberta has 6 trails that

Waterton Lakes National Park in Alberta has 6 trails that reach the icefields. If a hiker wishes to reach the icefields in 3 different ways during a visit, how many different possibilities would there be?

Tossing a fair coin three times whats the probability that

Tossing a fair coin three times, what's the probability that at least one head will occur?

Describe the steps you tookthere are 652 males 396 say they

Describe the steps you took. There are 652 males, 396 say they have been to dentist in past year. Give a confidence interval for 90% of the population proportion.

Identify and describe the six types of e-commerce give an

Identify and describe the six types of e-commerce. Give an example for each one.

In the game of roulette a player can place a 7 bet on the

In the game of? roulette, a player can place a ?$7 bet on the number 18 and have a 1/38 probability of winning. If the metal ball lands on 18?, the player gets to keep the ?$7 paid to play the game and the player is awar ...

The probability of someone ordering the daily special is 52

The probability of someone ordering the daily special is 52%. If the restaurant expected 96 people for lunch, how many would you expect to order the daily special?

A fish tank in a pet store has 23 fish in it 11 are orange

A fish tank in a pet store has 23 fish in it. 11 are orange and 12 are white. Determine the probability that if we select 4 fish from the tank, at least 2 will be white.

In a survey of women in a certain country ages 20-29 the

In a survey of women in a certain country? (ages 20-?29), the mean height was 65.3 inches with a standard deviation of 2.71 inches. Answer the following questions about the specified normal distribution. ?(a) What height ...

If the probability of either outcome a or outcome b arising

If the probability of either outcome A or outcome B arising during a single random process is 0.4 and we also know that the probability of outcome A is 0.2 while the probability of outcome B is 0.3, how are these two out ...

In a sample of 28 cups of coffee at the local coffee shop

In a sample of 28 cups of coffee at the local coffee shop, the average temperature was 162.5 degrees with a standard deviation of 16.7 degrees. What would be the 95% confidence interval for the temperature of your cup of ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As