P(Z< - 0.95)
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P(z < -0.56) Express the probability as a decimal rounded to 4 decimal places.
For a standard normal distribution, find: P(Z < -1.01) Express the probability as a decimal rounded to 4 decimal places. 0.8483 Question Help: Message instructor Check Answer о RI a
For a standard normal distribution, find: P(z < -0.85) Express the probability as a decimal rounded to 4 decimal places. . Incorrect Get help: VideoVideo Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Enter DNE for Does Not Exist, oo for Infinity
Suppose are running a study/poll about the probability of catching the flu this year. You randomly sample 65 people and find that 60 of them match the condition you are testing. Suppose you are have the following null and alternative hypotheses for a test you are running: H 0 : p = 0.95 H 0 : p = 0.95 H a : p < 0.95 H a : p < 0.95 Calculate the test statistic, rounded to 3 decimal places...
what is 38.1 rounded to one decimal place?
Show all steps as demonstrated in class. All proportions should be rounded to 4 decimal places and z-scores to 2 decimal places for consistency and accuracy. 1. According to a recent Gallup poll, 10% of Americans do not eat breakfast. You wonder if this figure is different among PCC students. a. State the null and alternative hypotheses, and define the parameter. b. Suppose we take a random sample of 450 PCC students. Do we meet the conditions for the distribution...
For a standard normal distribution, find: P(Z <c) - 0.4642 Find c rounded to two decimal places. -.09 -0.08986 this is from a past homework assignment and im reviewing for a test. i just needed an explanation on how to get to that answer
For the following distribution, what is the probability, P(X > 6)? Express the answer as a decimal number (for example, 0.5, not 1/2 or 50%). x 3 4 5 6 7 8 P(X = x) 0.15 0.20 0.20 0.25 0.10 0.10
Suppose xhas a distribution with 26 and 24 (round the probability to the fourth decimal place) (a) If a random sample of size n = 47 is drawn, find and P(26 SXS 28). - 35008 P(26 SXS 28) (b) if a random sample of size n = 68 is drawn, find My og and P26 SX S 28). 0 = P(26 SXS 28) = (c) Why should you expect the probability of part (b) to be higher than that of...
(10 points) Note: For this problem, your answer should be rounded to two decimal places in a particular municipality, it is believed that 25 percent of homes are not property insulated. In order to test Ho:p .25 vs. HA:P .25 (where p is the population proportion of homes that are not properly insulated) a random sample of 300 homes was selected. In the sample, it was found that 93 homes were not properly insulated. If the null hypothesis is true,...